List of freshwater aquarium fish species explained

A vast number of freshwater species have successfully adapted to live in aquariums. This list gives some examples of the most common species found in home aquariums.

Catfish

Armored catfish including Aspidoras, Brochis, Callichthys, and Corydoras
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Brown-Point Shield SkinAspidoras fuscoguttatus 3.8 cm(1.5 in)30 Gallons22C25C[1] 5.5–6.8
Aspidoras Cory-CatPygmy AspidorasAspidoras lakoi 4cm (02inches)[2] 28 Gallons22C25C6.5-7.5
Sixray corydoras, false corydoras Aspidoras pauciradiatus 2.9cm (01.1inches)[3] 20 Gallons73F82F 6.0-7.2
Loach catfish Aspidoras rochai 4cm (02inches) maximum length[4] 20 Gallons21 – 25 degrees Celsius6.0-7.5
Britski's catfish Brochis britskii8.9cm (03.5inches) 20C24C 6.5-7.2[5]
Hognosed brochis Brochis multiradiatus 6.6cm (02.6inches) 70–75 °F (21–24 °C)6.0–7.2
Emerald catfish Brochis splendens 10cm (00inches)The Emerald Cory Catfish is a very hardy and resilient fish.  Disease should not be a concern provided that you maintain the aquarium to standards.[6] 20 Gallons72 - 82 F (22 - 27.7 C)5.8-8.0[7]
Cascarudo Callichthys callichthys 20cm (10inches)64–83°F (18–28°C).5.8-8.3
Blacktop corydoras Corydoras acutus 4.4cm (01.7inches) 22-28°C[8] 6.0-7.5
Adolfo's catfish/corydoras Corydoras adolfoi5.7cm (02.2inches)72F79F6.0-7.0
Bronze corydoras, Emerald green cory Corydoras aeneus6.35cm (02.5inches) 6.0-8.0 6.0-8.0
Agassiz's corydoras Corydoras agassizii 5round=0.5NaNround=0.522-26°C6.0-8.0
Spotted corydoras, longnose corydoras Corydoras ambiacus 5.1-27 gal22-25°C6.5-7.271.43 - 392.86ppm
CarachaFairy CoryCorydoras atropersonatus 4.5cm (01.8inches) 20 gal21-27°C5.0-7.036 – 179 ppm
Pink corydorasAxelrod's CoryCorydoras axelrodi 4–21 gal22-26°C6.0-8.0
Masked corydoras, bandit corydoras Corydoras metae 4.8cm (01.9inches) 72F79F 6.0-7.0
Blackstripe corydoras Corydoras bondi 4.7cm (01.9inches) 20-26°C[9] 6.0-7.5
Tailspot corydoras Corydoras caudimaculatus 4– 20-26°C6.0-7.036 – 179 ppm
Barred-tail corydoras Corydoras cochui 2.5cm (01inches) 70-75 °F6.0 - 7.0
False blochi catfish Corydoras delphax 5round=0.5NaNround=0.522-27°C5.5-7.536 – 215 ppm
Ehrhardt's corydoras Corydoras ehrhardti 4.1cm (01.6inches) 18-23°C6.5-7.5
Elegant corydoras Corydoras elegans 5.1cm (02inches)
Horseman's cory Corydoras eques 5round=0.5NaNround=0.5
Evelyn's cory Corydoras evelynae 4cm (02inches) 22-26°C6.0-8.0
Geoffrey's Corydora Corydoras geoffroy 7cm (03inches) 22-26°C6.0-8.0
Skunk corydoras Corydoras granti 5.5cm (02.2inches)
Guapore corydoras Corydoras guapore 4.1cm (01.6inches)
Salt and pepper catfish/corydoras Corydoras habrosus2.5-
Mosaic corydoras, reticulated corydoras Corydoras haraldschultzi 5.9cm (02.3inches)[10]
Dwarf corydoras Corydoras hastatus 3.5cm (01.4inches)
Julii corydoras Corydoras julii 5.1-
Corydoras latus 5.2cm (02inches) 22-26°C6.0-8.0
False spotted catfish Corydoras leucomelas 4.5cm (01.8inches)
Loxozonus cory Corydoras loxozonus 4.9cm (01.9inches) 21-24°C6.0-7.2
Bluespotted corydorasspotted coryCorydoras melanistius 5.1cm (02inches) 22-26°C6.0-7.0
Gold laser cory Corydoras melanotaenia5.8cm (02.3inches)
Long nosed arched coryLong-nosed Skunk CoryCorydoras narcissus 6.5cm (02.6inches) 23-45°C6.0-7.0
Blue corydorasNatterer's CoryCorydoras nattereri 5.4cm (02.1inches) 20-23°C[11] 6.0-7.6
Corydoras ornatus 4.9cm (01.9inches) 22-26°C6.0-7.2
Corydoras osteocarus 4cm (02inches)
Peppered corydoras, salt and pepper catfish Corydoras paleatus5.1-
Panda corydoras Corydoras panda 3.8-6.0-8.0[12]
Pastaza corydoras Corydoras pastazensis 6.4-
Corydoras polystictus 3.2cm (01.3inches)
Pygmy corydoras Corydoras pygmaeus 2.5-A very peaceful species, that does not make an ideal community fish due to its small adult size. It is easily intimidated by larger tank mates and will not compete well with them for food.[13] 42.4 L (11 gal)72 to 79 °F (22 to 26 °C)6.4 to 7.4
Rust corydoras Corydoras rabauti 5round=0.5NaNround=0.5
Mosaic corydoras, reticulated corydoras Corydoras reticulatus 5.1-
Banner-tail corydoras, flagtail corydoras Corydoras robineae 4.4cm (01.7inches)
Schwartz's catfish Corydoras schwartzi 3.8-
Corydoras semiaquilus 6cm (02inches)
Corydoras septentrionalis 4.9cm (01.9inches)
Corydoras simulatus 4.9cm (01.9inches)
False network catfish Corydoras sodalis 4.9cm (01.9inches)
Sterba's corydoras Corydoras sterbai 6.8cm (02.7inches)[14]
Sychr's catfish Corydoras sychri 4.3cm (01.7inches)
Threestripe corydoras, leopard catfish, false julii coryCorydoras trilineatus6.1cm (02.4inches)[15]
Corydoras undulatus 4.4cm (01.7inches)
Xingu corydoras Corydoras xinguensis 3.8-
Corydoras nain Corydoras nanus 4.5cm (01.8inches) 22-26°C6.0-8.0
Flagtail catfish Dianema urostriatum 12.5cm (04.9inches)6.0-8.0
Spotted hoplo Megalechis thoracata 15cm (06inches) 64–83 °F (18–28 °C).6-8
Scleromystax prionotos 5.3cm (02.1inches)
Sailfin corydoras Scleromystax macropterus 8.7cm (03.4inches)6.0 – 8.0
Banded corydorasScleromystax barbatus10cm (00inches)68-82°F (20-28°C)6.0-8.0
Armored suckermouth catfish (plecos, oto, and whiptail)
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Bristlenose pleco, bushynose plecoThe bristlenose genus has at least 59 identified species and many others yet to be named.[16] Males and female both have long "bristles" on their nose, the males having distinctly longer ones. 72-84 F (20-27 C)
Adonis pleco, polka dot lyre-tail plecoAcanthicus adonis 100cm (00inches) 77-86 F (25-30 C)
Gold nugget pleco77-86 F (25-30 C)
Zebra pleco
72-86 F (22-30 C)[17] 6.5-7.5
Panaque
Clown Pleco20 gal[18] [19] 23.0-28.0 °C or 73.4-82.4 °F[20] 6.8 - 7.6
Pineapple pleco, orange cheek plecoPseudorinelepis genibarbis 36cm (14inches)
Sunshine plecoScobinancistrus aureatus 25cm (10inches)
Whiptail catfishIt is a peaceful fish that is best kept in good sized groups (6+) in a mature tank with plenty of shady hiding spots amongst plants, driftwood, slate caves, and PVC pipes.[21] 75-82 F (24-28 C)6.0-7.2
Twig catfish
Golden dwarf sucker, golden otoOtocinclus macrospilus 3.5cm (01.4inches)
Zebra dwarf sucker, zebra otoOtocinclus cocama 4.5cm (01.8inches)
Long-whiskered catfish
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Bolt catfish Aguarunichthys torosus 35cm (14inches)
Gold Zebra catfish Brachyplatystoma juruense 60cm (20inches)
Zebra shovelnose Brachyplatystoma tigrinum 60cm (20inches)
Vulture Catfish, zamurito Calophysus macropterus 40cm (20inches)
Leiarius marmoratus 100cm (00inches)
Leiarius pictus 60cm (20inches)
Redtail catfishPhractocephalus hemioliopterus 120cm (50inches)Needs at least a 2600USgal tank when mature, even though this does not provide them with the space to show their natural behaviour.[22] 70–79 °F (21–26 °C)6.0–7.5
Spotted pimelodus, pictus, pictus catfishPimelodus pictus 30cm (10inches)
Sturgeon catfishPlatystomatichthys sturio 40cm (20inches)
Barred sorubimPseudoplatystoma fasciatum 104cm (41inches)
Tiger sorubimPseudoplatystoma tigrinum 130cm (50inches)
Firewood catfish, (planiceps) shovelnose catfishSorubimichthys planiceps 178cm (70inches)
Lima shovelnose catfishSorubim lima40cm (20inches)
Squeakers and upside-down catfish
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Brichard's synoSynodontis brichardi 15cm (06inches)
Cuckoo squeakerSynodontis multipunctatus 27.5cm (10.8inches)
Clown squeakerSynodontis decorus 32cm (13inches)
Even-spotted squeaker, dwarf lake syno, false cuckoo synoSynodontis petricola 10cm (00inches)
Featherfin squeakerSynodontis eupterus 30cm (10inches)
Malawi squeakerSynodontis njassae 19cm (07inches)
Polka dot squeaker, angel squeakerSynodontis angelicus 55cm (22inches)
Orangestriped squeaker, pyjama synoSynodontis flavitaeniata 19.5cm (07.7inches)
Upside-down catfishSynodontis nigriventris 9.6cm (03.8inches)S. nigriventris prefers bottom feeding on Tubifex (or similar worms), but its main diet consists of algae.[23] The blotched upside-down catfish is well suited to aquariums because of its small size (typically 9 or 10 cm or less) and peaceful demeanor.[24] 6.0 - 7.5
Yellow marbled syno, vermiculated synoSynodontis schoutedeni 17cm (07inches)
Other catfish
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Three-striped African catfishPareutropius buffei 11.5cm (04.5inches)
Giraffe catfishAuchenoglanis occidentalis 70cm (30inches)
Electric catfishMalapterurus electricus 122cm (48inches)
Eel catfishChannallabes apus 33cm (13inches)
Black lancer catfish Bagrichthys macracanthus 25cm (10inches)
Harlequin lancer catfish Bagroides melapterus 30cm (10inches)
Crystal-eyed catfish Hemibagrus wyckii 71cm (28inches)
Shadow catfish Hyalobagrus flavus 4.5cm (01.8inches)
Mystus bimaculatus 6.5cm (02.6inches)
Dwarf bumblebee catfishPseudomystus leiacanthus 6cm (02inches)
Pseudeutropius moolenburghae 10cm (00inches)
Glass catfishKryptopterus vitreolus 8cm (03inches).
Striped glass catfishKryptopterus macrocephalus 10cm (00inches).
GoonchBagarius lica 200cm (100inches)
Chocolate frogmouth catfishChaca bankanensis 20cm (10inches)
Asian banjo catfishAcrochordonichthys rugosus 11cm (04inches)
Walking catfishClarias batrachus 50round=0.5NaNround=0.5The albino form is common in the aquarium trade. This fish can survive out of the water and "walk" as long as kept wet, for a very long time.[25]
Black catfish, Narrowfront tandanNeosilurus ater 47cm (19inches)
Stinging catfishHeteropneustes fossilis 30cm (10inches)
Sun catfish Horabagrus brachysoma 45cm (18inches)
Asian redtail catfish Hemibagrus wyckioides 130cm (50inches)
Asian upside down catfish Mystus leucophasis 30cm (10inches)
Asian bumblebee catfish Pseudomystus siamensis 15cm (06inches)
Indawgyi stream catfish Akysis prashadi 6cm (02inches)
Asian stone catfish Hara jerdoni 4cm (02inches)
Iridescent sharkPangasianodon hypophthalmus 130cm (50inches)
Chao Phraya giant shark, giant pangasiusPangasius sanitwongsei 300cm (100inches)
Colombian shark catfishAriopsis seemanni 35cm (14inches)
Blue whale catfishCetopsis coecutiens 27cm (11inches)
Banjo catfishBunocephalus coracoideus 14cm (06inches)
Giant raphael catfishMegalodoras uranoscopus 60cm (20inches)
Ripsaw catfishOxydoras niger 90cm (40inches)
Striped raphael catfishPlatydoras armatulus 43cm (17inches)
Spotted raphael catfishAgamyxis pectinifrons 15cm (06inches)
Bottlenose catfishAgeneiosus inermis 18.5cm (07.3inches)
Gulper catfishAsterophysus batrachus 25cm (10inches)
Midnight catfishAuchenipterichthys coracoideus 10cm (00inches)
Oil catfishDuringlanis perugiae 5cm (02inches)
Jaguar catfishLiosomadoras oncinus 17cm (07inches)
Tatia intermedia 12cm (05inches)
Pygmy driftwood catfishTrachelyichthys exilis 8cm (03inches)
Trachelyopterus fisheri 28cm (11inches)

Characoids

Tetras
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Arowana tetra Gnathocharax steindachneri 5cm (02inches)
Black phantom tetra Hyphessobrycon megalopterus 3.6cm (01.4inches)[26] The black phantom tetra enjoy being in groups of 6 or more and a slightly shaded tank. Males may claim small territories and occasionally minor battles may occur. The Phantom tetra goes well with other tetras of similar size. They also prefer floating plants.[27]
Black neon tetra Hyphessobrycon herbertaxelrodi 3.2cm (01.3inches)[28]
Black tetra, skirt tetra Gymnocorymbus ternetzi 5cm (02inches) A highly spirited fish that may occasionally chase its own species as well as harass slow moving fish with long fins. This fish is very hardy and can stand a variety of water qualities. Disease is not a big problem with the black tetra. The black tetra is also known as the black skirt tetra. The female black tetra is more robust and larger than the male.[29]
Black morpho tetra Poecilocharax weitzmani 4cm (02inches)
Bleeding heart tetra Hyphessobrycon erythrostigma 6.5cm (02.6inches) The bleeding heart tetra is distinguished by the small red spot on both sides of the fish. This fish is very prone to diseases, and can grow larger than most tetra species.[30]
Bloodfin tetra Aphyocharax anisitsi 5cm (02inches)
Blue tetra Knodus borki 5cm (02inches)
Blueberry tetraHyphessobrycon wadai 3.5cm (01.4inches)
Brittanichthys axelrodi 3cm (01inches)
Bucktooth tetra Exodon paradoxus 5cm (02inches)
Buenos Aires tetra Hyphessobrycon anisitsi 7.5cm (03inches)
Cardinal tetra Paracheirodon axelrodi 5cm (02inches) Similar to the Neon Tetra, but slightly larger and doesn't prefer to school as much. They need much larger tanks, although their temperament is similar.[31]
Cave tetra, blind tetra Astyanax mexicanus 12cm (05inches) The cave tetra is the blind cave form of the Mexican tetra. This tetra prefers low to moderate lighting.[32]
Cochu's blue tetra Boehlkea fredcochui 6cm (02inches)
Colombian tetra Hyphessobrycon columbianus 6.5cm (02.6inches)
Diamond tetra Moenkhausia pittieri 6cm (02inches)
Dawn tetra Aphyocharax paraguayensis 3.5cm (01.4inches)
Ember tetra Hyphessobrycon amandae 2cm (01inches) Ember tetras have been known to live ten years or more. May become stressed by the presence of larger fish.[33] 50L[34] NaNC5 - 7 pH
Emperor tetra Nematobrycon palmeri 5cm (02inches)
Flame tetra Hyphessobrycon flammeus 2.5cm (01inches)
Flame-back Bleeding heart tetra Hyphessobrycon pyrrhonotus 4.5cm (01.8inches)
Garnet tetra, pretty tetra Hemigrammus pulcher 6.5cm (02.6inches)
Glass bloodfin tetra Prionobrama filigera 6cm (02inches)
Glowlight tetra Hemigrammus erythrozonus 3.75cm (01.48inches)
Golden pristella tetra Pristella maxillaris 5cm (02inches)
Green neon tetra Paracheirodon simulans 2.5cm (01inches) Similar to Neon Tetras and Cardinal Tetras, they are the same to Neon Tetras beside having a green tiny near their top dorsal fin[35]
Head and tail light tetra Hemigrammus ocellifer 4cm (02inches)
Hummingbird tetra Trochilocharax ornatus 2cm (01inches)
January tetra Hemigrammus hyanuary 4cm (02inches)
Lemon tetra Hyphessobrycon pulchripinnis 5cm (02inches)
Neon tetra Paracheirodon innesi 3.75cm (01.48inches) Neon tetras must be kept in groups of at least a half-dozen, as they are a shoaling species. With peaceful dispositions, they are also able to be kept with other species of non-aggressive fish.[36] 38 L (10 gal)68 to 79 F (20 to 26 C)6.0–7.0[37]
Ornate tetra Hyphessobrycon bentosi 4.5cm (01.8inches)
Penguin tetra, blackline penguinfishThayeria boehlkei 6.5cm (02.6inches)
Peruvian tetraHyphessobrycon peruvianus 4cm (02inches)
Rainbow tetra Nematobrycon lacortei 4cm (02inches)
Red and Blue Peru tetra Hyphessobrycon margitae 4cm (02inches)
Red eye tetraLamp eye tetraMoenkhausia sanctaefilomenae 4cm (02inches)
Red-line lizard tetraIguanodectes geisleri 5.5cm (02.2inches)
Red phantom tetraHyphessobrycon sweglesi 4.5cm (01.8inches)
Redflank bloodfin Aphyocharax rathbuni 4.5cm (01.8inches)
Rosy tetra Hyphessobrycon rosaceus 4cm (02inches)
Royal tetra Inpaichthys kerri 3.5cm (01.4inches) Possesses an adipose fin allowing it to be differentiated from the Emperor tetra [38]
Ruby tetra Axelrodia riesei 2cm (01inches)
Rummy-nose tetra Hemigrammus rhodostomus 5cm (02inches) This common name is used for three different species of schooling fish with similar patterns: Hemigrammus rhodostomus, Hemigrammus bleheri, and Petitella georgiae.
False rummy-nose tetra Petitella georgiae 5cm (02inches) This common name is used for three different species of schooling fish with similar patterns: Hemigrammus rhodostomus, Hemigrammus bleheri, and Petitella georgiae.
Splash tetra Copella arnoldi 5.5cm (02.2inches)
Spotted splashing tetra Copella meinkeni 4.5cm (01.8inches)
Pyrrhulina spilota 7cm (03inches)
Serpae tetra Hyphessobrycon serpae 4.5cm (01.8inches)
Silvertip tetraHasemania nana 3cm (01inches)
Tucanoichthys tucano 2cm (01inches)
X-ray tetra Pristella maxillaris 4.5cm (01.8inches) Also just called the X-ray fish.
Yellow phantom tetra Hyphessobrycon roseus 2cm (01inches)
African moon tetraBathyaethiops caudomaculatus 8cm (03inches)
Congo tetra Phenacogrammus interruptus 7.5cm (03inches) Peaceful but may scare shy species with its active swimming and large adult size. Recommended for most community tanks however. Do not keep congo tetras with fin-nipping species as the spectacular fins of the males will be destroyed.[39] 108 L (28.5 gal)73-82 °F (23-28 °C)6.0-7.5
Phenacogrammus aurantiacus 10cm (00inches)
Jellybean tetraLadigesia roloffi 3cm (01inches)
Long-fin tetra Brycinus longipinnis 12.5cm (04.9inches)
Niger tetra Arnoldichthys spilopterus 10cm (00inches)
Alestopetersius brichardi 8cm (03inches)
Yellow-tailed Congo tetra Alestopetersius caudalis 6cm (02inches)
Hatchetfish
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Common hatchetfish Gasteropelecus sternicla 4cm (02inches) Requires a varied diet including fruit flies[40] [41]
Marbled hatchetfish Carnegiella strigata 5cm (02inches) Requires a varied diet including fruit flies
Black-winged hatchetfish Carnegiella marthae 4cm (02inches)
Pygmy hatchetfish Carnegiella myersi 2.2cm (00.9inches)
Pencil fishes
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Golden pencilfish Nannostomus beckfordi 6cm (02inches)
Hockeystick pencilfish Nannostomus eques 3.5cm (01.4inches)
Barred pencilfish Nannostomus espei 3cm (01inches)
Dwarf pencilfish Nannostomus marginatus 2.5cm (01inches)
Coral-red pencilfish Nannostomus mortenthaleri 3cm (01inches)
Nannostomus nigrotaeniatus 3cm (01inches)
Three-lined pencilfish Nannostomus trifasciatus 3cm (01inches)
One-lined Pencilfish Nannostomus unifasciatus 4cm (02inches)
Serrasalminae (pacus, piranhas, and silver dollars)
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Silver dollarMetynnis argenteus 15cm (06inches) The name "silver dollar" may also refer to Metynnis hypsauchen, Metynnis maculatus, or other related fishes.
Schreitmuller's metynnisMetynnis hypsauchen 14cm (06inches)
Spotted silver dollarMetynnis lippincottianus 13cm (05inches)
Red-bellied pacuColossoma bidens 120cm (50inches)78F82F
Red piranhaPygocentrus nattereri 33cm (13inches)
Redeye piranha, black piranhaSerrasalmus rhombeus 41.5cm (16.3inches)
Wimple piranhaCatoprion mento 15cm (06inches)
Mylossoma aureum 30cm (10inches)
Disk tetraMyleus schomburgkii 40cm (20inches) 23 °C to 27 °C5.0–7.0
Other Characins
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
African pike characinHepsetus odoe 44cm (17inches)
Goliath tigerfish Hydrocynus goliath 133cm (52inches)
Spotted pike-characinBoulengerella maculata 32cm (13inches)
Hujeta gar Ctenolucius hujeta 25cm (10inches)
Slender hemiodus Hemiodus gracilis 16cm (06inches)
Kissing prochilodus, flagtail Prochilodus Semaprochilodus insignis 27.5cm (10.8inches)
Marbled headstander Abramites hypselonotus 14cm (06inches)[42]
Banded leporinus Leporinus fasciatus 27cm (11inches)
Striped headstander Anostomus anostomus 16cm (06inches)
Synaptolaemus latofasciatus 11cm (04inches)
Siver distichodus Distichodus affinis 20cm (10inches)
Six-banded distichodus Distichodus sexfasciatus 75cm (30inches)
Neolebias ansorgii 3.5cm (01.4inches)
Payara Hydrolycus scomberoides 117cm (46inches)
Pink-tail chalceus Chalceus macrolepidotus 25cm (10inches)
Red wolf fish Erythrinus erythrinus 20cm (10inches)
Red tail barracudaAcestrorhynchus falcatus 30cm (10inches)
Spotted headstander Chilodus punctatus 8cm (03inches)

Cichlids

Lake Malawi cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Sunshine peacock cichlidAulonocara baenschi 13cm (05inches)
Red shoulder peacockAulonocara hansbaenschi 8.5cm (03.3inches)
Eureka red peacockAulonocara jacobfreibergi 15cm (06inches)
Aulonocara chizumuluAulonocara korneliae 8cm (03inches)
Pale Usisya aulonocara Aulonocara steveni9cm (04inches)
Flavescent peacockAulonocara stuartgranti 12cm (05inches)
Spilo Champsochromis spilorhynchus 40cm (20inches)
Copadichromis azureus 14.5cm (05.7inches)
Red fin hapCopadichromis borleyi 14cm (06inches)
Blue dolphin cichlid, lumphead cichlid Cyrtocara moorii 25cm (10inches)
Afra cichlid, dogtooth cichild Cynotilapia afra 10cm (00inches)
Malawi eyebiter Dimidiochromis compressiceps 23cm (09inches)
Rusty cichlid, lavender cichildIodotropheus sprengerae 10cm (00inches)
Electric yellow cichlid Labidochromis caeruleus 20cm (10inches)
Fuelleborn's cichlid, Blue mbunaLabeotropheus fuelleborni 18cm (07inches)
Scrapermouth mbuna Labeotropheus trewavasae 12cm (05inches)
Hongi, Red-top kimpumpa 13cm (05inches)
Yellow Top Mbamba 13cm (05inches)
AuroraMaylandia aurora 9cm (04inches)
Cobalt blue cichlid, cobalt zebra cichlid Maylandia callainos 10cm (00inches)
Red zebra cichlidMaylandia estherae 8cm (03inches)
Kenyi cichlidMaylandia lombardoi 13cm (05inches)
Zebra mbuna Maylandia zebra 11cm (04inches)
Auratus cichlid, Malawi golden cichlid Melanochromis auratus 10cm (00inches)
Chipokee cichlidMelanochromis chipokae 12cm (05inches)
Blue johanni cichlid, Maingano Melanochromis cyaneorhabdos 10cm (00inches)
Pearl of LikomaMelanochromis joanjohnsonae 10cm (00inches)
Fusco Nimbochromis fuscotaeniatus 25cm (10inches)
Livingston's cichlid Nimbochromis livingstonii 25cm (10inches)
Kaligono Nimbochromis polystigma 30cm (10inches)
Venustus cichlid, giraffe cichild Nimbochromis venustus 25cm (10inches)
Deep-water hap Placidochromis electra 12cm (05inches)
Fenestratus Protomelas fenestratus 14cm (06inches)
Red empress cichlidProtomelas taeniolatus 15cm (06inches)
Yellow-tail aceiPseudotropheus acei 10cm (00inches)
Bumblebee cichlid, hornet cichlid Pseudotropheus crabro 15cm (06inches)
Dwarf Mbuna Pseudotropheus demasoni 10cm (00inches)
Johanni cichlid Pseudotropheus johannii 10cm (00inches)
Saulosi Pseudotropheus saulosi 7.5cm (03inches)
Pindani Chindongo socolofi 7cm (03inches)
Malawi barracudaRhamphochromis macrophthalmus 30cm (10inches)
Electric blue cichlid Sciaenochromis fryeri 11.5cm (04.5inches)
Big-mouth hapTyrannochromis macrostoma 38cm (15inches)
Lake Tanganyika cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Calvus Altolamprologus calvus 14cm (06inches)
Compressiceps Altolamprologus compressiceps 12cm (05inches)
Benthochromis tricoti 16.5cm (06.5inches)
Boulengerochromis microlepis 90cm (40inches)
Callochromis pleurospilus10cm (00inches)
Chalinochromis brichardi12cm (05inches)
Cyathopharynx furcifer 21cm (08inches)
Frontosa cichildCyphotilapia frontosa 40cm (20inches)
Frontosa cichild Cyphotilapia gibberosa 40cm (20inches)
Herring cichlid, sardine cichlid Cyprichromis leptosoma 11cm (04inches)
Descamp's strange-tooth cichlid Ectodus descampsii 10.5cm (04.1inches)
Brown julie Julidochromis dickfeldi 11cm (04inches)
Marlier's julie Julidochromis marlieri 15cm (06inches) fem / 10cm (00inches) male
Golden julie Julidochromis ornatus 8.5cm (03.3inches)
Convict julie Julidochromis regani 15cm (06inches) fem / 10cm (00inches) male
Masked julie Julidochromis transcriptus 10cm (00inches)
Lamprologus ocellatus 6cm (02inches)
Lamprologus signatus 5.5cm (02.2inches)
Neolamprologus brevis 6cm (02inches)
Lyretail cichlid, fairy cichlidNeolamprologus brichardi 10cm (00inches)
Lemon cichlidNeolamprologus leleupi 11.5cm (04.5inches)
Neolamprologus multifasciatus 3.8cm (01.5inches)
Neolamprologus similis 3.8cm (01.5inches)A small shell-dwelling cichlid from Lake Tanganyika. Very similar to N. multifsciatus but similis has striping from the body continue to the head
Five-barred lamprologusNeolamprologus tretocephalus 15cm (06inches)
FeatherfinOphthalmotilapia ventralis 15cm (06inches)
Petrochromis trewavasae 20cm (10inches)
Simochromis pleurospilus 10cm (00inches)
Tropheus duboisi 13cm (05inches)
Tropheus moorii 14cm (06inches)
Tropheus polli 14cm (06inches)
Variabilichromis moorii 10cm (00inches)
Yellow sand cichlid Xenotilapia flavipinnis 9cm (04inches)
Lake Victoria cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Allauad's haplo Astatoreochromis alluaudi 19cm (07inches)
Haplochromis aeneocolor 7.5cm (03inches)
Zebra obliquidensHaplochromis latifasciatus 11cm (04inches)
FlamebackHaplochromis nyererei 8cm (03inches)
Haplochromis thereuterion 8cm (03inches)
Hippo Point SalmonPtyochromis sp. "Hippo Point Salmon"14cm (06inches)
Miscellaneous African cichlids (non-Rift Lake)
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
African butterfly cichlidAnomalochromis thomasi 5cm (02inches)
Dwarf Egyptian mouthbrooderPseudocrenilabrus multicolor 8cm (03inches)
Guenther's mouthbrooderChromidotilapia guentheri 10cm (00inches)
Jewel cichlid, two-spotted jewel cichlidRubricatochromis bimaculatus 14cm (06inches)
Lifalili jewel cichlid, blood-red jewel cichlidRubricatochromis lifalili 8cm (03inches)
Ocellated kribensisPelvicachromis subocellatus5cm (02inches)
Rainbow kribPelvicachromis pulcher 11cm (04inches)
Striped kribensisPelvicachromis taeniatus7cm (03inches)
Yellow kribensisWallaceochromis humilis12.5cm (04.9inches)
Lionhead cichlidSteatocranus casuarius 10cm (00inches)
Nanochromis parilus 4.5cm (01.8inches)
Central American cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Bay snookPetenia splendida 50cm (20inches)
Blackbelt cichlidVieja maculicauda 25cm (10inches)
Convict cichlidAmatitlania nigrofasciata 10cm (00inches)
Amatitlania myrnae 8cm (03inches)
Firemouth cichlidThorichthys meeki 17cm (07inches)
Jack Dempsey cichlidRocio octofasciata 25cm (10inches)
Jaguar cichlid, managuense cichlidParachromis managuensis 55cm (22inches)
Mayan cichlidMayaheros urophthalmus 39.5cm (15.6inches)
Midas cichlidAmphilophus citrinellus 24.5cm (09.6inches) commonly confused with red devil cichlids, but it is an entirely different species [43]
Nicaraguan cichlid, mogaHypsophrys nicaraguensis 20cm (10inches)
Poor man's tropheusNeetroplus nematopus 14cm (06inches)
Rainbow cichlidHerotilapia multispinosa 17cm (07inches)
Red terror, guayas cichlidMesoheros festae 25cm (10inches)
Salvin's cichlidTrichromis salvini 22cm (09inches)
Texas cichlid, Rio Grande cichlidHerichthys cyanoguttatus 30cm (10inches)
T-bar cichlidAmatitlania sajica 9cm (04inches)
Wolf cichlidParachromis dovii 72cm (28inches)
Yellowjacket cichlidParachromis friedrichsthalii 28cm (11inches)
False yellowjacket cichlidParachromis motaguensis 30cm (10inches)
South American cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Blue acaraAndinoacara pulcher 16cm (06inches)
Thread-finned acaraAcarichthys heckelii 19.5cm (07.7inches)
AngelfishPterophyllum scalare 15cm (06inches) In an enclosed tank habitat, the fish's territorial, aggressive nature is heightened, so don't house angelfish with shy species that are intimidated by pushy, boisterous fish.[44] 75–82 °F (25–28 °C)6.8 – 7
Altum angelfishPterophyllum altum 18cm (07inches)
Spotted angelfishPterophyllum leopoldi 10cm (00inches)
Chocolate cichlidHypselecara temporalis 15cm (06inches)
Common discus, red discusSymphysodon discus 12cm (05inches)
Blue discus, green discusSymphysodon aequifasciatus 14cm (06inches)
Eartheater cichlidGeophagus altifrons 26.5cm (10.4inches)
Demon eartheaterSatanoperca jurupari 17cm (07inches)
Threespot eartheaterSatanoperca daemon 20cm (10inches)
Flag cichlidMesonauta festivus 12cm (05inches)
Greenstreaked eartheater, cupid cichlid Biotodoma cupido 12cm (05inches)
Green terrorAndinoacara rivulatus 20cm (10inches)
Oscar Astronotus ocellatus 45cm (18inches) Many people that purchase these fish do not realize that the fish could grow to a foot long (30 cm) within a year. Due to their fast growth rate and large size as an adult, they are often kept in aquariums that are too small for them.[45] 72-80 °F (22-27 °C)6.0-7.5
Butterfly peacock bassCichla ocellaris 74cm (29inches)
Orinoco peacock bassCichla orinocensis 62cm (24inches)
Speckled peacock bass, speckled pavonCichla temensis 100cm (00inches)
Pearl cichlidGeophagus brasiliensis 28cm (11inches)
SeverumHeros efasciatus 17cm (07inches)
Uaru, waroo Uaru amphiacanthoides 25cm (10inches) Also known as the Triangle Cichlid.
Zebra Pike CichlidCrenicichla zebrina 26.5cm (10.4inches)
Dwarf cichlids (apistogrammas, rams and others)
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Agassiz's dwarf cichlidApistogramma agassizii 4cm (02inches)
Umbrella cichlidApistogramma borellii 4cm (02inches)
Cockatoo cichlidApistogramma cacatuoides 5cm (02inches)
Apistogramma nijsseni 4cm (02inches) 24-28°C5.0-6.50-72 ppm
Three-striped dwarf ichlid Apistogramma trifasciata 4cm (02inches)
Two-striped dwarf cichlid, banded dwarf cichlid Apistogramma bitaeniata 7.5cm (03inches)
Keyhole cichlidCleithracara maronii 7cm (03inches)
Lyretail checkerboard cichlid, chessboard cichlidDicrossus filamentosus 4cm (02inches)
Zebra acaraIvanacara adoketa 5cm (02inches)
Dwarf flag cichlidLaetacara curviceps 4.5cm (01.8inches)
Blue ram, German ram, ram cichlidGerman blue ramMikrogeophagus ramirezi 3.5cm (01.4inches) [46] These small and colorful fish require precise water parameters, and if you don't meet those parameters, your fish could be severely impacted. 10U.S.gal78 - 85 F (25.5 - 29.4 C)6.0 – 7.5
Bolivian ramMikrogeophagus altispinosus 5.5cm (02.2inches)
Goldeneye cichlid Nannacara anomala 6cm (02inches)
Other cichlids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Canara pearlspotEtroplus canarensis 11.5cm (04.5inches)
Green chromideEtroplus suratensis 40cm (20inches)
Orange chromidePseudetroplus maculatus 9.5cm (03.7inches)
Pinstripe dambaParetroplus menarambo 17cm (07inches)
(Amphilophus citrinellus × Vieja melanurus)Not considered a separate species of cichlid but a hybrid.[47]
Cichlasoma sp.25cm (10inches)Not considered a separate species of cichlid but a hybrid.

Cyprinids

Barbs
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
African banded barbEnteromius fasciolatus 6cm (02inches)
African butterfly barbEnteromius hulstaerti 3.5cm (01.4inches)
Jae barbEnteromius jae 4cm (02inches)
Arulius barbDawkinsia arulius 12cm (05inches) 66 °F to 77 °F (19°-25 °C) 6 – 8
Bigspot barb, Duncker's barbBarbodes dunckeri 13cm (05inches) 72 - 85 °F (22 - 29 °C)6 - 7
Black ruby barbPethia nigrofasciatus 6.5cm (02.6inches)
Cherry barbPuntius titteya 4.8cm (01.9inches)
Denison's barb, red line torpedo barbSahyadria denisonii 15cm (06inches)
Drape fin barbOreichthys crenuchoides 4.5cm (01.8inches)
Gold barbBarbodes semifasciolatus 8cm (03inches)
Golden barbPethia gelius 5cm (02inches)
Odessa barbPethia padamya 8cm (03inches)
Melon barbHaludaria fasciata 15cm (06inches)
Mascara BarbDawkinsia assimilis 12cm (05inches) 66 °F to 77 °F (19°-25 °C) 6 – 8
Dawkinsia rohani 12cm (05inches) 66 °F to 77 °F (19°-25 °C) 6 – 8
Dawkinsia tambraparniei 12cm (05inches) 66 °F to 77 °F (19°-25 °C) 6 – 8
Narayan barbPethia setnai 6cm (02inches)
Rosy barbPethia conchonius 13cm (05inches)
Sawbwa barbSawbwa resplendens 3cm (01inches)
Tic-tac-toe barbPethia stoliczkana 5cm (02inches)
Spanner barb, t-barbBarbodes lateristriga 20cm (10inches)
Fiveband barb, pentazona barbDesmopuntius hexazona 5cm (02inches)
Snakeskin barbDesmopuntius rhomboocellatus 5cm (02inches)
Eirmotus octozona 3.6cm (01.4inches)
Checker barbOliotius oligolepis 5cm (02inches)
Tiger barb, sumatra barbPuntigrus tetrazona 7.5cm (03inches) Keep in shoals of 8 or 10 to prevent aggression[48]
Other cyprinids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Tinfoil barbBarbonymus schwanenfeldii 36cm (14inches)
Giant sword minnowMacrochirichthys macrochirus 100cm (00inches)
Hampala barbHampala macrolepidota 70cm (30inches)
Mad barbLeptobarbus hoevenii 100cm (00inches)
Bala sharkBalantiocheilus melanopterus 40cm (20inches) Grows large, needs lots of swimming room and is a schooling fish so a 125 gallon would be good for 3-4[49]
Black sharkLabeo chrysophekadion 90cm (40inches)
Apollo SharkLuciosoma setigerum 22cm (09inches)
Siamese algae eater, fringe barbCrossocheilus langei 16cm (06inches) Many other fish in the order Cypriniformes are also sold under this name. Very likely to jump out of the aquarium especially after reaching adult size. Very useful for getting rid of algae when it is young but prefer fish food upon reaching adulthood.[50]
Cyclocheilichthys janthochir 20cm (10inches)
Flying fox (fish)Epalzeorhynchos kalopterus 16cm (06inches)
Red-tailed black sharkEpalzeorhynchos bicolor 13cm (05inches)
Rainbow sharkEpalzeorhynchos frenatum 15cm (06inches)
Cambodian log sucker, false Siamese algae eaterCeratogarra cambodgiensis 24cm (09inches)
Jullien's golden carpProbarbus jullieni 150cm (60inches)
Panda garraGarra flavatra 6cm (02inches)
Chinese algae eaterGyrinocheilus aymonieri 28cm (11inches) This species may be sold under a variety of common names, including Siamese algae eater, Chinese algae eater, golden algae eater, or sucking loach. A gold colored form also exists.
Rasboras
Common nameScientific nameImageSizeTank sizeTank sizeTemperature rangepH rangeWater Hardness
Harlequin rasboraTrigonostigma heteromorpha 5cm (02inches) Also known as Harlequin tetra or Harlequin barb.
Glowlight rasboraTrigonostigma hengeli 5cm (02inches)
Red-striped rasboraTrigonopoma pauciperforata 7.5cm (03inches)22C29C
Trigonopoma gracile 5.5cm (02.2inches)22C29C
Chili rasboraBoraras brigittae 2cm (01inches) Should be kept in acidic water which can be difficult to maintain for most beginners in the aquarium hobby.[51] 5U.S.gal20C28C5-6
Dwarf rasboraBoraras maculatus 2.5cm (01inches)
Phoenix rasboraBoraras merah 2cm (01inches)
Eyespot rasboraBrevibora dorsiocellata 3.5cm (01.4inches)
Kottelatia brittani 6cm (02inches)
Rasbora cephalotaenia 13cm (05inches)
Brilliant rasboraRasbora einthovenii 9cm (04inches)
Clown rasboraRasbora kalochroma 10cm (00inches)
Rasbora patrickyapi 6cm (02inches)
Scissortail rasboraRasbora trilineata 15cm (06inches)
Volcano rasboraRasbora vulcanus 5cm (02inches)
Microdevario kubotai 2cm (01inches)
Blackline rasbora, red-tailed rasboraRasbora borapetensis 10cm (00inches)
Espei rasboraTrigonostigma espei 5cm (02inches)
Fire rasboraRasboroides vaterifloris 4cm (02inches)
Least rasboraBoraras urophthalmoides 1.6cm (00.6inches)
Danios and other danionins
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Sundadanio axelrodi 2cm (01inches)
Pearl danioDanio albolineatus 6.5cm (02.6inches)
Barred danioDevario pathirana 6cm (02inches)
Celestial Pearl danioDanio margaritatus 2cm (01inches)
Emerald dwarf danioDanio erythromicron 2cm (01inches)
Fireline devarioDevario sondhii 4.5cm (01.8inches)
Giant danioDevario aequipinnatus 15cm (06inches)
Devario auropurpureus 8cm (03inches)
Glowlight danioDanio choprae 4cm (02inches)
Gold-ring danioDanio tinwini 2cm (01inches)
Malabar danioDevario malabaricus 11.5–
Ocelot danioDanio kyathit 6cm (02inches)
Spotted danioDanio nigrofasciatus 4cm (02inches)
Turquoise danioDanio kerri 5cm (02inches)
Zebra danioDanio rerio 5cm (02inches)
Barilius ardens 10cm (00inches)
Opsarius pulchellus 11cm (04inches)
Cold-water cyprinids
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
GoldfishCarassius auratus 15+ cm (6+ in) variations: Black Moor, Bubble Eye, Butterfly Tail, Calico, Celestial Eye, Comet, Common, Fantail, Lionchu, Lionhead, Oranda, Panda Moor, Pearlscale, Pompom, Ranchu, Ryukin, Shubunkin, Telescope eye, Veiltail.
Koi, common carpCyprinus carpio 30+ cm (12+ in)
White Cloud Mountain minnowTanichthys albonubes 3.8cm (01.5inches)
Red shinerCyprinella lutrensis 9cm (04inches)
Rainbow shinerNotropis chrosomus 8cm (03inches)
Chinese high fin banded sharkMyxocyprinus asiaticus 60cm (20inches)

Loaches

Loaches
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH range
Borneo hillstream loachGastromyzon ctenocephalus 4.5cm (01.8inches) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)[52] 10U.S.gal[53] NaNC6.5 – 8.0 pH
Borneo hillstream loachGastromyzon zebrinus 6cm (02inches) See above[54] 10U.S.gal[55] NaNC6.5 – 8.0 pH
Clown loach Chromobotia macracanthus 30.5cm (12inches)
Green tiger loach Syncrossus hymenophysa 21cm (08inches)
Fire-eyed loach Barbucca diabolica 2.5cm (01inches)
Fork-tailed loach Vaillantella maassi 12.5cm (04.9inches)
Horseface loach Acantopsis dialuzona 20cm (10inches)
Pangio anguillaris 12cm (05inches)
Pangio cuneovirgata 6cm (02inches)
Java loach Pangio oblonga 8cm (03inches) 6.2 to 7.0
Pangio shelfordii 8cm (03inches)
Kuhli loach, coolie loach Pangio semicincta 10cm (00inches) The natural habitat of the kuhli loach is the sandy beds of slow-moving rivers and clean mountain streams. They are a social fish and are typically found in small clusters (they are not schooling fish but enjoy the company of their species), but are cautious and nocturnal by nature and swim near the bottom where they feed around obstacles. Kuhli loaches are scavengers, so they will eat anything that reaches the bottom.5.5 – 6.5
Saddle-back Loach Homaloptera orthogoniata 13cm (05inches) The Saddleback Loach will thrive in an aquarium with a good amount of water flow and aeration, considerable amounts of hiding places formed by rocks or driftwood and smooth pebbles and stones to graze on.[56] 68 - 78 F (20 - 25.6 C)6 - 7.5
Dwarf botiaAmbastaia sidthimunki 5.5cm (02.2inches) Formerly named Botia sidthimunki.
Bengal loach Botia dario 15cm (06inches) Also known as the Queen loach.
Botia histrionica 12cm (05inches)
Gangetic loach Botia rostrata 25cm (10inches)
Polka-Dot Loach Botia kubotai 12cm (05inches)
Yoyo loach Botia almorhae 15cm (06inches)
Zebra loach Botia striata 9cm (04inches)
Redtail loach Yasuhikotakia modesta 25cm (10inches)
Skunk loach Yasuhikotakia morleti 10cm (00inches) Formerly named Botia morleti
Yasuhikotakia splendida 10cm (00inches)
Banded tiger loach Syncrossus helodes 30cm (10inches)
Redfin tiger loach Syncrossus berdmorei 15cm (06inches)
Golden zebra loach Sinibotia pulchra 10cm (00inches)
Imperial flower loach Leptobotia elongata 50cm (20inches)
Butterfly hillstream loachBeaufortia kweichowensis 8cm (03inches) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)
Panda loach Yaoshania pachychilus 6cm (02inches)
Tiger hillstream loachSewellia lineolata 6cm (02inches) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)
Rosy loach Physoschistura mango 3cm (01inches)
Sumo loach Schistura balteata 8cm (03inches)
Zodiac loach Mesonoemacheilus triangularis 6cm (02inches)
Serpenticobitis octozona 5.5cm (02.2inches)
Weather Loach[57] Misgurnus anguillicaudatus[58] Sensitive to changes in barometric pressure[59]

Live-bearers

Guppies and mollies
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
GuppyFancy GuppyPoecilia reticulata 5cm (02inches)Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks.[60] can live in full sea water[61] 66°F - 84°F (19°C - 29°C)7 - 8
Endler's livebearer Poecilia wingei 3.8cm (01.5inches)
Black molly Poecilia sphenops 10cm (00inches) Can live in full sea water
Sailfin molly Poecilia latipinna 10cm (00inches) Gold and silver varieties commonly found; also thrive in brackish water/ full sea water
Yucatan molly, giant sailfin molly Poecilia velifera 15cm (06inches)
Dalmatian mollyhybrid 5cm (02inches) The dalmatian molly is a hybrid color variation that can be generated by crossing some species of Poecilia, like P. sphenops and P. latipinna. The variety "Dalmatian" is spotted alike to a Dalmatian dog. Can live in full sea water
Lyretail Mollyhybrid 5cm (02inches) Lyretail Mollies are available in all of these species, can be cross bred with any species of Molly. Can live in full sea water
Platies and swordtails
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Southern platy Xiphophorus maculatus 6cm (02inches)
Variable platy Xiphophorus variatus 6cm (02inches)
Green swordtail Xiphophorus hellerii 14cm (06inches)
Montezuma swordtail Xiphophorus montezumae 5.5cm (02.2inches)
Other livebearers
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Largescale four-eyed fishAnableps anableps 30cm (10inches)
Pike topminnowBelonesox belizanus 6cm (02inches)
Redtail splitfinXenotoca eiseni 6cm (02inches)
Cuban limaLimia vittata 8cm (03inches)
Knife livebearerAlfaro cultratus 7.5cm (03inches)
Least killifishHeterandria formosa 3.5cm (01.4inches)
Metallic livebearerGirardinus metallicus 5cm (02inches)
Dwarf merry widowPhallichthys tico 2.5cm (01inches)
Tanganyika killifishLamprichthys tanganicanus 15cm (06inches)
Norman's lampeyePoropanchax normani 4.5cm (01.8inches)
Large finned lampeyeProcatopus nototaenia 6cm (02inches) 20-25°C[62]
Variable lampeyeProcatopus similis 6cm (02inches)
Celebes halfbeakNomorhamphus liemi 8cm (03inches)
Wrestling halfbeakDermogenys pusilla 7.5cm (03inches)[63] Wrestling Halfbeaks are best kept in groups, composed of either a single male with several females, or, in more spacious quarters with ample visual barriers, larger mixed groups containing at least six males.75-82 F (24-28 C) 7 - 8
Forest halfbeakHemirhamphodon pogonognathus 10cm (00inches)
Hemirhamphodon tengah 3.5cm (01.4inches)

Killifish

African killifishes
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Broken-line killifish Aphyosemion ogoense 5cm (02inches)
Gabon killifish Aphyosemion gabunense 5cm (02inches)
Gabon jewelfish Aphyosemion cyanostictum 6.5cm (02.6inches)
Lyretail panchax Aphyosemion australe 6cm (02inches)
Red-striped killifish Aphyosemion striatum 6cm (02inches)
Two-striped killifish Aphyosemion bitaeniatum 5cm (02inches)
Twostripe lyretail Aphyosemion bivittatum 5cm (02inches)
Blue lyretail Fundulopanchax gardneri 5cm (02inches)
Blue gularisFundulopanchax sjostedti 13cm (05inches)
Fundulopanchax scheeli 6cm (02inches)
Clown Killifish, rocket killifish Epiplatys annulatus 3.5cm (01.4inches) 50LNaNC6 - 7 pH
Redchin panchax Epiplatys dageti 6cm (02inches)
Bluefin Notho, Rachow's Notho, Rainbow Notho Nothobranchius rachovii 6cm (02inches)
Redtail notho Nothobranchius guentheri 3.5cm (01.4inches)
Nothobranchius eggersi 5cm (02inches)
Nothobranchius korthausae 5cm (02inches)
Nothobranchius palmqvisti 5cm (02inches)
Other killifishes
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Blue panchax Aplocheilus armatus 9cm (04inches)
Ceylon killifish Aplocheilus dayi 9cm (04inches)
Striped panchax, Golden Wonder Aplocheilus lineatus 10cm (00inches)
Madagascar panchax Pachypanchax sakaramyi 9cm (04inches)
Playfair's panchax Pachypanchax playfairii 10cm (00inches)
Powder-blue Panchax Pachypanchax omalonotus 9cm (04inches)
American flagfish Jordanella floridae 6cm (02inches) Native to SE United States
Arabian toothcarp Aphaniops dispar 7cm (03inches)
Argentine pearl Austrolebias nigripinnis 7cm (03inches)
Laimosemion xiphidius 5.5cm (02.2inches)
Lyrefin pearlfish Simpsonichthys boitonei 4.5cm (01.8inches)
Saberfin killie Terranatos dolichopterus 4cm (02inches)
Medaka Oryzias latipes 4cm (02inches)
Javanese ricefish Oryzias javanicus 3.5cm (01.4inches)
Daisy's Ricefish Oryzias woworae 2.5–

Labyrinth fish

Gourami
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Ceylonese combtailBelontia signata 18cm (07inches)
Siamese fighting fish (sometimes Betta, esp. US)Betta splendens 7.5cm (03inches) Betta is the name of the genus that includes more than 60 species other than the Siamese fighting fish. 5 gal [64] 72F82F6.5-7.5
Emerald bettaBetta smaragdina 7cm (03inches)
Spotfin bettaBetta macrostoma 10cm (00inches)
Frail gouramiCtenops nobilis 4cm (02inches)
Black paradisefishMacropodus spechti 8cm (03inches)
Paradise fishMacropodus opercularis 7.5cm (03inches)
Round tail paradisefishMacropodus ocellatus 8.5cm (03.3inches)
Ornate paradisefishMalpulutta kretseri 4cm (02inches)
Eyespot gouramiParasphaerichthys ocellatus 5cm (02inches)
Brown Spike-tailed paradisefishPseudosphromenus dayi 4cm (02inches)
Honey gouramiTrichogaster chuna 5.5cm (02.2inches)
Dwarf gouramiTrichogaster lalius 5cm (02inches) Suitable for small to mid-sized aquariums but cannot compete with more aggressive fish and males kept together may fight. Several color varieties available. Massive inbreeding has led to high rates of Dwarf gourami iridovirus (DGIV) in pet store fish.[65] 72 – 82 °F (22 – 27 °C) [66] 6 - 7.5
Thick-lipped gouramiTrichogaster labiosa 9cm (04inches)
Moonlight gouramiTrichopodus microlepis 15cm (06inches)
Snakeskin gouramiTrichopodus pectoralis 20cm (10inches)
Pygmy gourami, Sparkling gouramiTrichopsis pumila 3.8cm (01.5inches)
Malay combtailBelontia hasselti 20cm (10inches)
Betta albimarginata 3cm (01inches)
Betta brownorum 3cm (01inches)
Betta burdigala 3.5cm (01.4inches)
Betta channoides 3cm (01inches)
Scarlet bettaBetta coccina 4cm (02inches)
Betta foerschi 5cm (02inches)
Betta hendra 4cm (02inches)
Crescent bettaBetta imbellis 6cm (02inches)
Betta mandor 5cm (02inches)
Betta miniopinna 3.5cm (01.4inches)
Betta persephone 3.5cm (01.4inches)
Toba bettaBetta rubra 4cm (02inches)
Betta rutilans 3.5cm (01.4inches)
Betta uberis 3.5cm (01.4inches)
Giant pikeheadLuciocephalus pulcher 20cm (10inches)
Peppermint pikeheadLuciocephalus aura 10cm (00inches)
Parosphromenus anjunganensis 3cm (01inches)
Parosphromenus bintan 3cm (01inches)
Parosphromenus deissneri 3cm (01inches)
Parosphromenus filamentosus 3cm (01inches)
Parosphromenus linkei 3cm (01inches)
Parosphromenus opallios 3cm (01inches)
Parosphromenus ornaticauda 3cm (01inches)
Parosphromenus phoenicurus 3cm (01inches)
Parosphromenus quindecim 3cm (01inches)
Chocolate gouramiSphaerichthys osphromenoides 6cm (02inches)
Crossband chocolate gouramiSphaerichthys selatanensis 4cm (02inches)
Samurai gouramiSphaerichthys vaillanti 4cm (02inches)
Pearl gouramiTrichopodus leerii 11.5cm (04.5inches)
Three spot gouramiTrichopodus trichopterus 10cm (00inches)
Croaking gouramiTrichopsis vittata 6.5cm (02.6inches)
Giant gouramiOsphronemus goramy 60cm (20inches)
Other labyrinth fishes
Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Kissing gouramiHelostoma temminckii 15cm (06inches)
Climbing perchAnabas testudineus 20cm (10inches)
Leopard bush fishCtenopoma acutirostre 15cm (06inches)
Mottled ctenopomaCtenopoma weeksii 12cm (05inches)
Tailspot ctenopomaCtenopoma kingsleyae 20cm (10inches)
Ornate ctenopomaMicroctenopoma ansorgii 5cm (02inches)
Blue badisBadis badis 7cm (03inches)
Scarlet badisDario dario 1.5cm (00.6inches)
Black tiger darioDario tigris 2.5cm (01inches)
Bornean leaffishNandus nebulosus 12cm (05inches)
Malayan leaffishPristolepis fasciata 20cm (10inches)
Forest snakeheadChanna lucius 40cm (20inches) Illegal to possess live in the USA without a permit[67]
Dwarf snakeheadChanna gachua 20cm (10inches) Illegal to possess live in the USA without a permit
Emperor snakeheadChanna marulioides 65cm (26inches) Illegal to possess live in the USA without a permit
Giant snakeheadChanna micropeltes 130cm (50inches) Illegal to possess live in the USA without a permit
Ocellated snakeheadChanna pleurophthalma 35cm (14inches) Illegal to possess live in the USA without a permit
Orange-spotted snakeheadChanna aurantimaculata 36cm (14inches)
Barca snakeheadChanna barca 105cm (41inches)
Rainbow snakeheadChanna bleheri 14.5cm (05.7inches)
African snakeheadParachanna obscura 50cm (20inches) Illegal to possess live in the USA without a permit

Rainbowfish

Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Bleher's rainbowfish Chilatherina bleheri 12cm (05inches)
Red rainbowfish Glossolepis incisus 9–Almost all rainbowfish species are bred in captivity and wild populations may be protected.[68]
Threadfin rainbowfish Iriatherina werneri 3-
New Guinea rainbowfish Melanotaenia affinis 13cm (05inches)
Boeseman's rainbowfish Melanotaenia boesemani 10–
Lake Kurumoi rainbowfish Melanotaenia parva 7.5–
Neon rainbowfish Melanotaenia praecox 6-
Lake Wanam rainbowfish Glossolepis wanamensis 9cm (04inches)
Western rainbowfish Melanotaenia australis 11cm (04inches)
Duboulayi's rainbowfish Melanotaenia duboulayi 13–a.k.a. Crimson-Spotted rainbowfish
Australian rainbowfish Melanotaenia fluviatilis 13–
Lake Tebera rainbowfish Melanotaenia herbertaxelrodi 9cm (04inches)
Lake Kutubu rainbowfish Melanotaenia lacustris 12cm (05inches)
Parkinson's rainbowfish Melanotaenia parkinsoni 11cm (04inches)
Eastern rainbowfish Melanotaenia splendida splendida 13–
Banded rainbowfish Melanotaenia trifasciata 13cm (05inches)
Celebes rainbow Marosatherina ladigesi 8cm (03inches)
Spotted blue-eye Pseudomugil gertrudae 3–
Red neon blue-eye Pseudomugil luminatus 3–
Delicate blue-eye Pseudomugil tenellus 4–
Forktail blue-eye Pseudomugil furcatus 4–These fish need a larger aquarium than their size suggests. Though they only grow to a length of about 2 inches, they are happiest in groups of 8 – 10 or more, and they appreciate lots of swimming space.[69] 75 - 79 °F (24 - 26 °C) 6.5 - 8.0
Neon blue-eye Pseudomugil cyanodorsalis 3.5cm (01.4inches)
Pacific blue-eye Pseudomugil signifer 3.5–
Madagascar rainbowfish Bedotia madagascariensis 7.5–

Gobies and sleepers

Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
Bumblebee gobyBrachygobius doriae 4cm (02inches)
Mugilogobius rexi 3cm (01inches)
Knight gobyStigmatogobius sadanundio 9cm (04inches)
Barred mudskipperPeriophthalmus argentilineatus 19cm (07inches)
Stiphodon annieae 2.5cm (01inches)
Rainbow stiphodonStiphodon ornatus 5cm (02inches)
Cobalt blue gobyStiphodon semoni 4-
Sicyopus exallisquamulus 5cm (02inches)
Sicyopus zosterophorus 4.5cm (01.8inches)
Bearded worm gobyTaenioides cirratus 30cm (10inches)
Banded mogurndaMogurnda cingulata 13cm (05inches)
Tropical carp-gudgeonHypseleotris cyprinoides 8cm (03inches)
Crazy fishButis butis 15cm (06inches)
Marbled gobyOxyeleotris marmorata 30–
Rhinogobius duospilus 6cm (02inches)
Stiphodon percnopterygionus 4cm (02inches)
Golden-red stiphodonStiphodon rutilaureus 4.5cm (01.8inches)
Atlantic mudskipperPeriophthalmus barbarus 16cm (06inches)
Desert gobyChlamydogobius eremius 6cm (02inches)
Dragon goby, Violet gobyGobioides broussonnetii 55cm (22inches)
Empire gudgeonHypseleotris compressa 12cm (05inches)
Purple sleeper gudgeonMogurnda mogurnda 20cm (10inches)
Peacock gudgeon, Peacock gobyTateurndina ocellicauda 7.5cm (03inches) A little territorial with its own kind but is suitable for many communities of small, peaceful fish. Ideal tankmates are other species from Papua New Guinea, such as Popondetta sp. rainbowfishes; but tetras, rasboras, Corydoras cats and virtually any other small peaceful species are also suitable.[70] 40LNaNC6.5 7.5 pH
Striped sleeper gobyDormitator maculatus 70cm (30inches)

Other fish

Common nameScientific nameImageSizeRemarksTank sizeTemperature rangepH rangeWater Hardness
West African lungfish Protopterus annectens 100cm (00inches)
Spotted lungfish Protopterus dolloi 130cm (50inches)
South American lungfish Lepidosiren paradoxa 125cm (49inches)
Australian lungfish Neoceratodus forsteri 150cm (60inches)
Ocellate river stingray Potamotrygon motoro 50round=0.5NaNround=0.5 has venomous barbs that contain a protein based poison, if you happen to accidentally get stung you should submerge the wound in as hot as water as you can as this breaks down the protein[71]
Black devil stingray Potamotrygon leopoldi 111round=0.5NaNround=0.5 see above
Marbled whipray Fluvitrygon oxyrhynchus 36round=0.5NaNround=0.5 see above
Gray bichir, Senegal bichir, or dinosaur bichir Polypterus senegalus 70cm (30inches) maximum length<-- Polypterus senegalus meridionalis is listed by source 2 as having a maximum length of 70cm. However, Polypterus senegalus senegalus is the species kept in aquarium trade. --> in captivity[72] Peaceful but preys on anything smaller than its mouth[73] 25C28C[74] 6.0-8.0
Ornate bichir Polypterus ornatipinnis 60cm (20inches) maximum length[75] Peaceful but preys on anything smaller than its mouth26C28C6.0–8.0
Retropinnis bichir Polypterus retropinnis 34cm (13inches)[76] Peaceful but preys on anything smaller than its mouth26C28C 6.5–7.5
Barred bichir Polypterus delhezi 35cm (14inches) Peaceful but preys on anything smaller than its mouth24C30C6-8
Saddled bichir Polypterus endlicheri 63cm (25inches)[77] Peaceful but preys on anything smaller than its mouth22C27C6-8
Reedfish Erpetoichthys calabaricus 31.4cm (12.4inches) at maturity, 37cm (15inches) maximum length22C28C[78] 6.0–8.0
Sterlet Acipenser ruthenus 125round=0.5NaNround=0.5
Shovelnose Sturgeon Scaphirhynchus platorynchus
American paddlefish Polyodon spathula 150round=0.5NaNround=0.5
Bowfin Amia calva 109round=0.5NaNround=0.5
Spotted Gar Lepisosteus oculatus 70round=0.5NaNround=0.5
Longnose Gar Lepisosteus osseus 200round=0.5NaNround=0.5
Florida Gar Lepisosteus platyrhincus 70round=0.5NaNround=0.5
Alligator Gar Atractosteus spatula 300round=0.5NaNround=0.5
Cuban Gar Atractosteus tristoechus 200round=0.5NaNround=0.5
Tropical Gar Atractosteus tropicus 150round=0.5NaNround=0.5
Blunt-jawed elephantnose Campylomormyrus tamandua 40cm (20inches)
Peters' elephant nose Gnathonemus petersii 22.5cm (08.9inches)
African butterflyfish Pantodon buchholzi 12cm (05inches)
Aba aba Gymnarchus niloticus 120cm (50inches)
Reticulated knifefish Papyrocranus afer 80cm (30inches)
African brown knifefish Xenomystus nigri 30cm (10inches)
Royal knifefish Chitala blanci 120cm (50inches)
Clown knifefish Chitala ornata 100cm (00inches)
Asian arowana Scleropages formosus 90cm (40inches) Preys on anything smaller than its mouth.[79]
Gulf saratoga Scleropages jardinii 90cm (40inches)
Southern saratoga Scleropages leichardti 90cm (40inches)
Silver arowana Osteoglossum bicirrhosum 90cm (40inches) Preys on anything smaller than its mouth.
Black arowana Osteoglossum ferreirai 90cm (40inches) Preys on anything smaller than its mouth.
Pirarucu Arapaima gigas 200cm (100inches)
African arowana Heterotis niloticus 100cm (00inches)
Freshwater moray Gymnothorax polyuranodon 150round=0.5NaNround=0.5
Hingemouth Phractolaemus ansorgii 25cm (10inches)
Black ghost knifefishApteronotus albifrons 50round=0.5NaNround=0.5 Not to be confused with the featherback "knifefish" of the Bonytongue group (see above) 23-28C (73-82F)6.0-8.0
Brown ghost knifefish Apteronotus leptorhynchus 27round=0.5NaNround=0.5
Glass knifefish Eigenmannia virescens 44round=0.5NaNround=0.5
Electric eel Electrophorus electricus 200round=0.5NaNround=0.5
Northern pike Esox lucius 150round=0.5NaNround=0.5
Humphead glassfish Parambassis pulcinella 8cm (03inches)
Indian glassy fish Parambassis ranga 8cm (03inches)
GlassfishGlass perchGymnochanda filamentosa 3.8cm (01.5inches) 24-28°C[80]
Mouth almightyGlossamia aprion 3.8cm (01.5inches)
Amazon leaffish Monocirrhus polyacanthus 8cm (03inches)
African leaffish Polycentropsis abbreviata 8cm (03inches)
Nile perch Lates niloticus 200cm (100inches)
Indonesian tigerfish Datnioides microlepis 55cm (22inches)
Silver tigerfish Datnioides polota 30cm (10inches)
New Guinea tigerfish Datnioides campbelli 32cm (13inches)
Banded archerfish Toxotes jaculatrix 30cm (10inches)
Seven-spot archerfish Toxotes chatareus 40cm (20inches)
Spotted scat Scatophagus argus 20cm (10inches)
African scat Scatophagus tetracanthus 30round=0.5NaNround=0.5
Striped scat, spotbanded scat Selenotoca multifasciata 40round=0.5NaNround=0.5
Silver moony Monodactylus argenteus 27round=0.5NaNround=0.5
African moony Monodactylus sebae 25round=0.5NaNround=0.5
Freshwater pipefish Doryichthys martensii 15cm (06inches)
African freshwater pipefish Enneacampus ansorgii 14cm (06inches)
Zebra blenny Omobranchus zebra 6cm (02inches)
Fire eel Mastacembelus erythrotaenia 100cm (00inches)
Tire track eel Mastacembelus armatus 90cm (40inches)
Peacock eelMacrognathus siamensis 30cm (10inches) They require clean water and are vulnerable to parasites, fungal diseases, and the copper-based drugs used to treat these conditions.[81] 73-82 °F (23-28 °C)[82] 6.0-8.0
Zebra spiny eel Macrognathus zebrinus 46cm (18inches)
Half-banded spiny eel Macrognathus circumcinctus 20cm (10inches)
Lesser spiny eel Macrognathus tapirus 38cm (15inches)
Freshwater needlefish Xenentodon cancila 35cm (14inches)
Grunting toadfish Allenbatrachus grunniens 30round=0.5NaNround=0.5
Leaf goblinfish Neovespicula depressifrons 10round=0.5NaNround=0.5
Freshwater sole Achiroides melanorhynchus 14round=0.5NaNround=0.5
Golden puffer Auriglobus modestus 10cm (00inches) Pufferfish inflating out of water can cause death.[83]
Green spotted puffer Dichotomyctere nigroviridis 15cm (06inches) See above
Figure 8 pufferfish Dichotomyctere ocellatus 6cm (02inches) See above
Humpback Puffer Pao palembangensis 20cm (10inches) See above
Red-tail dwarf puffer Carinotetraodon irrubesco 4.5cm (01.8inches) See above
Arrowhead puffer Pao suvattii 15cm (06inches)
Hairy pufferfish Pao baileyi 12cm (05inches)
Dwarf pufferfish Carinotetraodon travancoricus 2.9cm (01.1inches) aka Pea Puffer
Fahaka puffer Tetraodon lineatus 43round=0.5NaNround=0.5
Mbu puffer Tetraodon mbu 75cm (30inches) This fish also occurs in estuaries. largest freshwater pufferfish, they are very peaceful with most fish except, other Mbu pufferfish, other fish that will harass them. see above[84]
Congo pufferfish Tetraodon miurus 15cm (06inches) as it is a ambush pufferfish it is best to house it alone as it will attack tank mates. see above[85]
Tetraodon schoutedeni 9round=0.5NaNround=0.5
Amazon puffer Colomesus asellus 13round=0.5NaNround=0.5
Everglades pygmy sunfish Elassoma evergladei 3cm (01inches)
Blackbanded sunfish Enneacanthus chaetodon 10cm (00inches)
Rainbow darterEtheostoma caeruleum 8cm (03inches)

See also

Sources

Notes and References

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  2. Web site: Aspidoras lakoi summary page. FishBase. en. 2017-12-12.
  3. Web site: Aspidoras pauciradiatus summary page. FishBase. en. 2017-12-14.
  4. Web site: Aspidoras rochai summary page. FishBase. en. 2017-12-14.
  5. Web site: ScotCat Factsheets: July 2007: Brochis britskii Isbrücker & Nijssen, 1983.
  6. Web site: Laboratory . Fish . Emerald Cory Catfish (Corydoras splendens): Ultimate Care Guide . 2022-09-11 . Fish Laboratory . en-us.
  7. Web site: Corydoras splendens summary page. FishBase. en. 2017-12-11.
  8. Web site: Corydoras acutus – Blacktop Cory — Seriously Fish . 2024-06-02.
  9. Web site: Corydoras bondi – Blackstripe Cory, C031 (Corydoras bondi bondi, C031) — Seriously Fish . 2024-06-02.
  10. http://www.fishbase.org/summary/Corydoras-haraldschultzi.html Fishbase:haraldschultzi
  11. Web site: Corydoras nattereri (Natterer's Cory) — Seriously Fish . 2024-06-02.
  12. Web site: Corydoras panda summary page. FishBase. en. 2017-12-11.
  13. Web site: Series profile - Corydoras pygmaeus - Pygmy Cory . 2023-02-19 . Seriously fish.
  14. http://www.fishbase.org/summary/Corydoras-sterbai.html Fishbase:sterbai
  15. http://www.fishbase.org/Summary/SpeciesSummary.php?ID=12199&AT=Threestripe+corydoras Fishbase:thilineatus
  16. Web site: Review of Ancistrus (Siluriformes: Loricariidae) from the northwestern Guiana Shield, Orinoco Andes, and Adjacent Basins with Description of Six New Species. . 27 August 2022.
  17. Web site: Haineala . Stefan . 2022-11-23 . Common Pleco (Hypostomus plecostomus) - Beginner Care Guide . 2022-11-23 . Fishkeeper's Log . en-US.
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  25. Web site: Walking Catfish . 2022-07-21 . Florida Fish And Wildlife Conservation Commission . en.
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  27. Web site: Meet The Peaceful Black Phantom Tetra . 2022-07-21 . The Spruce Pets . en.
  28. Web site: Hyphessobrycon herbertaxelrodi summary page. FishBase. en. 2018-12-26.
  29. Web site: 2020-12-17 . The Complete Guide to Black Skirt Tetra Care . 2022-07-21 . Fishkeeping World . en-us.
  30. Web site: 2020-11-01 . Bleeding Heart Tetra 101: The Complete Care Guide . 2022-07-21 . en-US.
  31. Web site: Learn Why the Cardinal Tetra Is a Popular Aquarium Fish . 2022-08-27 . The Spruce Pets . en.
  32. Web site: Blind Cave Tetra Care - Size, Lifespan, Tank Mates, Breeding . 2022-07-21 . www.fishlore.com . en-us.
  33. Web site: Lawrence . Michael . 2019 . Does chronic stress mediate predator-prey interactions in wild fish? An experimental approach using exogenous cortisol implants. .
  34. Web site: Ember tetra (Hyphessobrycon amandae) . 2023-02-19 . Encyclo Fish.
  35. Web site: Green Neon Tetra Care: Everything You Need To Know! . 2022-08-27 . en-US.
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  38. Web site: Inpaichthys kerri (Purple Emperor Tetra) — Seriously Fish. 2021-02-24.
  39. Web site: Species profile - Phenacogrammus interruptus - Congo Tetra . 2023-02-19 . Seriously Fish.
  40. Web site: Care Guide for Hatchetfish – Oddball Schooling Fish with Wings . 2022-10-22 . Aquarium Co-Op . en.
  41. Web site: How to Choose a Good Feed for the Common Hatchetfish . 2022-10-22 . fish-hobbyist . en.
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  46. Web site: Laboratory . Fish . German Blue Ram (Mikrogeophagus Ramirezi): Ultimate Care Guide . 2022-09-11 . Fish Laboratory . en-us.
  47. Web site: Cichlid Research Home Page: Hybrids . 2022-07-22 . cichlidresearch.com.
  48. Web site: Care Guide for Tiger Barbs – Colorful, Rowdy, and Hardy Schooling Fish . 2022-10-26 . Aquarium Co-Op . en.
  49. Web site: Should You Put Bala Shark in Your Aquarium? . 2022-07-22 . The Spruce Pets . en.
  50. Web site: 2018-10-11 . Siamese Algae Eater: Care, Size, Tank Mates, and Habitat . 2022-07-22 . Fishkeeping World . en-us.
  51. Web site: 2020-12-15 . Chili Rasbora: Care & Everything Else You Could Want to Know . 2023-02-07 . Aquanswers . en-us.
  52. Web site: Care Guide for Hillstream Loaches – Housing, Tank Mates, Feeding . 2022-07-21 . Aquarium Co-Op . en.
  53. Web site: Michael . 2020-10-20 . Borneo Sucker – Detailed Guide: Care, Diet, and Breeding . 2023-02-19 . Shrimp and Snail Breeder . en-US.
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  58. Web site: The Most Common Fish Names Beginning With W?. 2021-04-18. The Spruce Pets. en.
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  60. Web site: Care Guide for Guppies – The Most Popular and Colorful Livebearer . 2022-07-22 . Aquarium Co-Op . en.
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