Leptorhynchoididae Explained

Leptorhynchoididae is a family of parasitic worms from the order Echinorhynchida.[1]

Species

Leptorhynchoididae contains the following species:[2]

Brentisentis

See main article: Brentisentis. Brentisentis Leotta, Schmidt & Kuntz, 1982 contains three species:

The species name chongqingensis was named after the location where the samples were collected: Chongqing, China.[3]

B. uncinus was found infesting the small intestines of the Tank goby (Glossogobius giuris) and Eleotris pisonis near the mouth of Keelung River, Taiwan.[4]

Dentitruncus

See main article: Dentitruncus. Dentitruncus Sinzar, 1955 contains one species:

Dollfusentis

See main article: Dollfusentis. Golvan, 1969

Goacanthus

Gupta & Jain, 1980

Indorhynchus

Golvan, 1969

Koronacantha

Monks & Ponce de Leon, 1996

Metarhadinorhynchus

See main article: Metarhadinorhynchus. Yamaguti, 1959

M. laterolabracis is the type species.[6]

Paradentitruncus

Moravec & Sey, 1989

Pseudorhadinorhynchus

See main article: Pseudorhadinorhynchus. Achmerow & Dombrowskaja-Achmerova, 1941

P. cinereus was found infesting Stromateus cinereus in Pakistan.[8]

P. mujibi was found infesting Stromateus sinensis in Pakistan.[8]

Tegorhynchus

See main article: Tegorhynchus. Van Cleve, 1921

Telosentis

See main article: Telosentis. Telosentis Van Cleve, 1923 is a genus of acanthocephalans. The representatives of the genus are distributed in tropical waters of Indian Ocean, Pacific coast of Australia and Mediterranean. Consists of five species:[9]

See main article: Telosentis exiguus.

T. exiguus is a widespread intestinal parasitic worm. Its hosts are marine and brackish water fish of the Mediterranean basin. This species is found in the Mediterranean Sea[10] (near the coasts of France and Italy), in the Adriatic Sea (Italy, Montenegro), the Sea of Marmara,[11] the Black Sea and the Sea of Azov (near the coasts of Ukraine). T. exiguus is able to thrive in a variety hosts. It has been found as an intestinal parasite in anchovies, sand-smelts, shads, garfishes, eels, sticklebacks, pipe-fishes, grass gobies, some other gobies, blennies, and wrasses.

T. exiguus tegument is covered with spines in anterior and posterior parts. Its cerebral ganglion located in central part of the proboscis sac, sometime moved to anterior region. Its proboscis is cylindrical or club-shaped, armed with 12 longitudinal rows of hooks of same type; the smaller hooks are in the posterior region of proboscis, larger is in its central part. The roots of the hooks have long forward-facing appendixes.[9]

In the Black Sea the intermediate hosts of this acanthocephalan is the amphipod Apherusa bispinosa,[12] in the coelom of which the cystacanthes are located. Fish are infested by feeding on amphipods infected with larvae.

Notes and References

  1. Leptorhynchoididae. 1425034. 29 April 2024.
  2. Web site: ITIS - Report: Illiosentidae.
  3. Wei Gang. A new species of Brentisentis from fishes of Chongqing,China(Palaeacanthocephala:Echinorhynchida:Rhadinorhynchidae) Dong wu fen lei xue bao = Acta Zootaxonomica Sinica. 1998 ;23(4):342-345.
  4. Leotta, S. H., Schmidt, G. D., & Kuntz, R. E. (1982). Brentisentis uncinus gen. et sp. n. and Gorgorhynchus satoi (Morisita 1937) Yamaguti 1963 from Taiwan. The Journal of Parasitology, 134-137.
  5. Monks S, Ponce de León GP. Koronacantha mexicana n. gen., n. sp. (Acanthocephala: Illiosentidae) from marine fishes in Chamela Bay, Jalisco, Mexico. J Parasitol. 1996 Oct;82(5):788-92. PMID 8885889.
  6. Amin . Omar M. . Classification of the Acanthocephala . Folia Parasitologica . September 19, 2013 . 60 . 4 . 273–305 . 10.14411/fp.2013.031 . 24261131 . free .
  7. Nadakal, A. M., John, K. O., & Jacob, A. (1990). Metarhadinorhynchus valiyathurae sp. nov., an acanthocephalid worm parasitic in the marine fish, Caranx melampygus (Cuv. & Val.). Zoologischer Anzeiger, 225(5/6), 377-382.
  8. Kazmi, Q. B., & Naushaba, R. (2013). Checklist of marine worms reported from Pakistani marine waters. Pakistan Journal of Nematology, 31(2), 187-280.
  9. Kvach Y., Sasal P. (2010) Telosentis exiguus (von Linstow, 1901) (Palaeacanthocephala: Illiosentidae), a generalist parasite of fishes in the Mediterranean basin. Systematic Parasitology, 76(1): 9-18.https://doi.org/10.1007%2Fs11230-009-9222-6
  10. Golvan Y.J. (1969) Systématique des acanthocéphales (Acanthocephala Rudolphi 1801). Première partie. L’ordre de Palaeacanthocephala Meyer 1931. Premier fascicule. La superfamille de Echinorhynchoidea (Cobbold 1876) Golvan et Houin 1963. Mémoires du MuséumNational d’Histoire Naturelle (Série A), 57, 1–373.
  11. Oğuz M.C. (1991) Ekınlı Lagnünüde yakalanan dere pısısı baliklari (Pleuronectus flesus luscus L. 1758) üzerıne parasıtolojık bır araştirma. Turkish Journal of Zoology, 15: 150–163.
  12. Belofastova I.P., Grintsov V.A. (2003) On the Find of Acantellae of the Acanthocephalan Telosentis exiguus in Apherusa bispinosa (Amphipoda, Calliopiidae) in the Black Sea. Vestnik Zoologii, 37(4): 57–59. (in Russian)http://www.v-zool.kiev.ua/pdfs/2003/4/06.pdf

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