A new gonad-infecting species of Philometra Costa, 1845 (Nematoda: Philometridae) from the marine fish Terapon jarbua (Forsskal) (Terapontidae) off the eastern coast of India

0364886 - BC 2012 RIV NL eng J - Journal Article
Moravec, František - Gopalakrishnan, A. - Rajkumar, M. - Saravanakumar, A. - Kaliyamoorthy, S.
A new gonad-infecting species of Philometra Costa, 1845 (Nematoda: Philometridae) from the marine fish Terapon jarbua (Forsskal) (Terapontidae) off the eastern coast of India.
Systematic Parasitology. Roč. 80, č. 1 (2011), 23-33. ISSN 0165-5752. E-ISSN 1573-5192
R&D Projects: GA MŠMT LC522
Institutional research plan: CEZ:AV0Z60220518
Keywords : Philometra * Terapon * India
Subject RIV: GJ - Animal Vermins ; Diseases, Veterinary Medicine
Impact factor: 1.250, year: 2011

A new nematode species, Philometra terapontis n. sp. (Philometridae), is described from specimens found in the ovary of Terapon jarbua (Forsskål) (Terapontidae, Perciformes) from the Bay of Bengal. The new species differs from most other gonad-infecting Philometra spp. in the length of spicules, a gubernaculum with dorsal lamella-like structures and a distinct protuberance on its distal end, and a U-shaped, dorsally uninterrupted caudal mound in the male. From a few congeneric, gonad-infecting species with unknown males, it can be distinguished by some morphological and biometrical features found in gravid female (body length, length of first-stage larvae or oesophagus, structure of caudal end) and by the host type (fish family) and geographical distribution. Philometra terapontis is the first philometrid species reported from a fish belonging to the family Terapontidae. A key to gonad-infecting species of Philometra parasitizing marine and brackish-water fishes is provided.
Permanent Link: http://hdl.handle.net/11104/0200255