Large-eye snaggletooth explained

The large-eye snaggletooth (Borostomias antarcticus), also called the straightline dragonfish or Antarctic snaggletooth,[1] is a species of fish in the family Stomiidae (barbeled dragonfishes).[2] [3] [4] [5]

Description

The large-eye snaggletooth is black in colour, up to in length.[6] It has 9–13 dorsal soft rays and 12–17 anal soft rays. It is identified by the lack of high arch in the photophores behind the anal base, presence of double postorbital organ and the clear separation of the dagger-like teeth in its upper jaw.[7] [8] [9] It has 40–60 lateral photophores extending along its belly and positioned in two straight lines.[7]

Habitat

The large-eye snaggletooth is bathydemersal and mesopelagic, staying below during the day, sometimes as deep as . It is found in oceans worldwide.[10]

Behaviour

The large-eye snaggletooth feeds on mysids, bony fish and crustaceans.[11]

Notes and References

  1. Web site: Borostomias antarcticus. fishesofaustralia.net.au.
  2. Web site: WoRMS - World Register of Marine Species - Borostomias antarcticus (Lönnberg, 1905). www.marinespecies.org.
  3. Web site: Travaux de la Station marine de Villefranche-sur-Mer. 1979 . Station marine de Villfranche-sur-Mer. Google Books.
  4. Book: Smiths' Sea Fishes. Margaret M.. Smith. Phillip C.. Heemstra. December 6, 2012. Springer Science & Business Media. 9783642828584. Google Books.
  5. Book: Morgan, M. D.. Ecology of Mysidacea. December 6, 2012. Springer Science & Business Media. 9789400980129. Google Books.
  6. Web site: Marine Species Identification Portal : Borostomias antarcticus. species-identification.org.
  7. Web site: Large-eye Snaggletooth - Borostomias antarcticus. www.arctic.uoguelph.ca.
  8. Web site: Borostomias antarcticus, Snaggletooth. www.fishbase.se.
  9. Book: Soft-rayed Bony Fishes: Orders Isospondyli and Giganturoidei: Part 4. Henry B.. Bigelow. Daniel M.. Cohen. Myvanwy M.. Dick. Robert H. Gibbs. Jr. Marion. Grey. James E. Morrow. Jr. Leonard P.. Schultz. Vladimir. Walters. October 23, 2018. Yale University Press. 9781933789279. Google Books.
  10. Web site: Borostomias antarcticus (Snaggletooth). descna.com.
  11. Web site: Food Items - Borostomias antarcticus. www.fishbase.se.

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