Redescription of Metabronema magnum (Nematoda: Cystidicolidae), a swimbladder parasite of the carangid fish Gnathanodon speciosus off New Caledonia

Title:

Redescription of Metabronema magnum (Nematoda: Cystidicolidae), a swimbladder parasite of the carangid fish Gnathanodon speciosus off New Caledonia

Creator:

Moravec, František and Justine, Jean-Lou

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:ef2f48e0-571e-4027-bedb-6f4895e87ace
uuid:ef2f48e0-571e-4027-bedb-6f4895e87ace
doi:10.14411/fp.2007.038

Subject:

parasitic nematode, Metabronema, morphology, marine fish, Gnathanodon, and New Caledonia

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

The cystidicolid nematode Metabronema magnum (Taylor, 1925) is redescribed from specimens collected from the swimbladder of the fish (golden trevally) Gnathanodon speciosus (Forsskål) (Carangidae, Perciformes) off New Caledonia, South Pacific (a new geographical record). The light and scanning electron microscopical examination made it possible to study in detail the morphology of this so far little-known species. Its pseudolabia were found to possess distinct anterior protrusions (protuberances), sublabia are absent, only four cephalic papillae are present, deirids are bifurcated, and the male possesses six pairs of postanal papillae. By its morphology, M. magnum seems to be most similar to species of Salvelinema Trofimenko, 1962, also from the swimbladder of fishes, differing from them mainly in the presence of median wedge-shaped outgrowths in the mouth, lateral alae, the longer spicule on the right side, and a fewer number of pairs of preanal papillae in the male. Since the morphology of M. magnum considerably differs from that of other representatives of the Cystidicolidae, Metabronema in Rasheed's (1966) conception is considered a valid genus.

Language:

English

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

293-300

Source:

Folia parasitologica | 2007 Volume:54 | Number:4

Harvested from:

CDK

Metadata only:

false