Philometra dissimilis n. sp from the ovary of Johnius belangerii (Sciaenidae) and other new records of philometrids (Nematoda: Philometridae) from fishes of the Bay of Bengal, India

0461974 - BC 2017 RIV SK eng J - Článek v odborném periodiku
Moravec, František - Manoharan, J.
Philometra dissimilis n. sp from the ovary of Johnius belangerii (Sciaenidae) and other new records of philometrids (Nematoda: Philometridae) from fishes of the Bay of Bengal, India.
Helminthologia. Roč. 53, č. 2 (2016), s. 133-141. ISSN 0440-6605. E-ISSN 1336-9083
Grant CEP: GA ČR GBP505/12/G112
Institucionální podpora: RVO:60077344
Klíčová slova: parasitic nematode * Dracunculoidea * marine fish * Sciaenidae * Indian Ocean
Kód oboru RIV: EG - Zoologie
Impakt faktor: 0.472, rok: 2016

Based on light and scanning electron microscopical studies, a new gonad-infecting species of Philometra Costa, 1845, P. dissimilis n. sp. (Nematoda: Philometridae), is described from the marine fish (Belanger's croaker) Johnius belangerii (Cuvier) (Sciaenidae, Perciformes) in the Bay of Bengal, off the eastern coast of India. The species is mainly characterized by the body length of male 2.73 - 3.37 mm and that of gravid female 145 - 171 mm, needle-like, equal spicules 96 - 120 mu m long, length of the gubernaculum 75 - 90 mu m, distal end of the gubernaculum with lamellar structures forming a simple dorsal protuberance and by the V-shaped male caudal mound. Philometra dissimilis is the seventh known gonad-infecting species of this genus parasitizing sciaenid fishes. Moreover, an additional two species of Philometra (only females) were recorded from fishes in the Bay of Bengal: P. lobotidis Moravec, Walter et Yuniar, 2012 from the abdominal cavity of Lobotis surinamensis (Bloch) (Lobotidae, Perciformes), which is a new geographical record, and Philometra sp. from the ovary of Platycephalus indicus (Linnaeus) (Platycephalidae, Scorpaeniformes), representing probably an undescribed species.
Trvalý link: http://hdl.handle.net/11104/0261511