<Emphasis Type="Italic">Lobocapillaria austropacifica</Emphasis> n. g., n. sp. (Nematoda: Capillariidae) from the obtuse barracuda <Emphasis Type="Italic">Sphyraena obtusata</Emphasis> Cuvier (Sphyraenidae,Perciformes) off eastern Australia |
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Authors: | Franti?ek Moravec Ian Beveridge |
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Institution: | 1.Institute of Parasitology,Biology Centre of the Czech Academy of Sciences,?eské Budějovice,Czech Republic;2.Faculty of Veterinary & Agricultural Sciences,The University of Melbourne,Melbourne,Australia |
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Abstract: | Based on light and scanning electron microscopical studies, a new nematode parasite, Lobocapillaria austropacifica n. sp. (Capillariidae), is described from the gall-bladder of the marine fish (obtuse barracuda) Sphyraena obtusata Cuvier (Perciformes: Sphyraenidae) from off the eastern Pacific coast of Australia, for which a new genus Lobocapillaria n. g. is established. This new genus is mainly characterised by a single row of stichocytes, the presence of two large, conspicuously elongated lateral caudal lobes and a pair of subventral papillae at their base in males, a flat spicule distended laterally towards its proximal end and provided with superficial rough transverse grooves, a spicular canal and a very long, aspinose spicular sheath with a conspicuous expansion near its proximal end when evaginated. Capillaria sphyraeni Parukhin, 1971 is transferred to Lobocapillaria as L. sphyreni (Parukhin, 1971) n. comb. A key to capillariid genera containing species parasitic in fishes is provided. |
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