A recent examination of newly obtained specimens of philometrid nematodes (Philometridae) parasitising carangid and serranid fishes off New Caledonia, South Pacific, revealed the presence of several nematodes of the genus Philometra Costa, 1845, including three new species: P. austropacifica n. sp. (males and females) from the ovary of Alepes vari (Carangidae), P. piscaria n. sp. (males) from the ovary of Epinephelus coioides (Serranidae), and P. selaris n. sp. (males) probably from the abdominal cavity (found in washings) of Selar crumenophthalmus (Carangidae). The new species are characterised mainly by the length and structure of the spicules and gubernaculum, body size, their location in the host and the type of host. Philometra austropacifica n. sp. is the first known nominal gonad-infecting species of Philometra parasitising a carangid fish. In addition, the gravid female of P. fasciati Moravec & Justine, 2008 from the ovary of Epinephelus fasciatus (Serranidae) is described for the first time. Carangid host fish were identified by both morphology and DNA barcoding.

Une étude récente de spécimens nouvellement obtenus de nématodes Philometridae parasitant des poissons Carangidae et Serranidae de Nouvelle-Calédonie, dans le Pacifique Sud, a révélé la présence de plusieurs nématodes du genre Philometra Costa, 1845, dont trois nouvelles espèces : P. austropacifica n. sp. (mâles et femelles) de l’ovaire de Alepes vari (Carangidae), P. piscaria n. sp. (mâles) de l’ovaire d’Epinephelus coioides (Serranidae), et P. selaris n. sp. (mâles) probablement de la cavité abdominale (dans des lavages) de Selar crumenophthalmus (Carangidae). Les nouvelles espèces sont principalement caractérisées par la longueur et la structure des spicules et du gubernaculum, la taille du corps, par leur localisation dans l’hôte et par le type d’hôte. Philometra austropacifica n. sp. est la première espèce nominale connue de Philometra parasitant les gonades d’un Carangidae. En outre, la femelle gravide de P. fasciati Moravec et Justine, 2008 est décrite pour la première fois à partir de l’ovaire d’Epinephelus fasciatus (Serranidae). Les poissons hôtes Carangidae ont été identifiés à la fois par la morphologie et des codes-barres ADN.

Institute of Parasitology Biology Centre of the Academy of Sciences of the Czech Republic Branišovská 31 370 05 České Budějovice Czech Republic

ISYEB Institut Systématique Évolution Biodiversité UMR7205 CNRS EPHE MNHN UPMC Muséum National d'Histoire Naturelle CP51 57 55 Rue Buffon 75231 Paris cedex 05 France

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Nematode parasites of four species of Carangoides (Osteichthyes: Carangidae) in New Caledonian waters, with a description of Philometra dispar n. sp. (Philometridae)

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Two gonad-infecting species of Philometra (Nematoda: Philometridae) from marine fishes off the northern coast of Australia

Two new gonad-infecting species of Philometra (Nematoda: Philometridae) parasitic in Lutjanus spp. (Osteichthyes: Lutjanidae) in the Bay of Bengal, India

Two new gonad-infecting species of Philometra Costa, 1845 (Nematoda: Philometridae) from marine fishes off the northern coast of Australia

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