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      Capillaria plectropomi n. sp. (Nematoda: Capillariidae), a new intestinal parasite of the leopard coral grouper Plectropomus leopardus (Serranidae) off New Caledonia Translated title: Capillaria plectropomi n. sp. (Nematoda : Capillariidae), un nouveau parasite intestinal de la saumonée Plectropomus leopardus (Serranidae) en Nouvelle-Calédonie

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          Abstract

          A new nematode species, Capillaria plectropomi n. sp. (Capillariidae), is described from the intestine of the leopard coral grouper Plectropomus leopardus (Lacepède) from coral reefs off New Caledonia. The new species, belonging to the subgenus Neocapillaria Moravec, 1987, differs from other congeneric species of this subgenus from marine fishes mainly in the length (168–186 μm), shape and structure of the spicule. It is characterized, in the male, by the presence of two well-developed dorsolateral caudal lobes, a pair of lateral papillae, a heavily sclerotized spicule with many rough transverse grooves in the middle part, a spinose spicular sheath, and in the female, by eggs measuring 60–66 × 27 μm without protruding polar plugs. The buccal cavity contains a small finger-shaped stylet. Capillaria plectropomi n. sp. is the first known species of this genus parasitizing fishes of the perciform family Serranidae.

          Translated abstract

          Une nouvelle espèce de nématode, Capillaria plectropomi n. sp. (Capillariidae), est décrite de l’intestin de la saumonée Plectropomus leopardus (Lacepède) des récifs coralliens au large de la Nouvelle-Calédonie. La nouvelle espèce, appartenant au sous-genre Neocapillaria Moravec, 1987, diffère principalement des autres espèces de ce sous-genre qui sont parasites de poissons marins, dans la longueur (168–186 μm), la forme et la structure du spicule. Elle est caractérisée, chez le mâle, par la présence de deux lobes caudaux dorsolatéraux bien développés, une paire de papilles latérales, un spicule fortement sclérifié avec de nombreuses rainures transversales rugueuses dans la partie médiane, une gaine spiculaire épineuse, et chez la femelle par des œufs mesurant 60–66 × 27 μm, sans bouchons polaires saillants. La cavité buccale contient un petit stylet en forme de doigt. Capillaria plectropomi n. sp. est la première espèce connue de ce qui est de parasite de poissons perciformes de la famille Serranidae.

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          An annotated list of parasites (Isopoda, Copepoda, Monogenea, Digenea, Cestoda and Nematoda) collected in groupers (Serranidae, Epinephelinae) in New Caledonia emphasizes parasite biodiversity in coral reef fish.

          Abstract: Over a 7-year period, parasites have been collected from 28 species of groupers (Serranidae, Epinephelinae) in the waters off New Caledonia. Host-parasite and parasite-host lists are provided, with a total of 337 host-parasite combinations, including 146 parasite identifications at the species level. Results are included for isopods (5 species), copepods (19), monogeneans (56), digeneans (28), cestodes (12), and nematodes (12). When results are restricted to those 14 fish species for which more than five specimens were examined and to parasites identified at the species level, 109 host-parasite combinations were recorded, with 63 different species, of which monogeneans account for half (32 species), and an average of 4.5 parasite species per fish species. Digenean records were compared for 16 fish species shared with the study of Cribb et al. (2002); based on a total of 90 parasite records identified at the species level, New Caledonia has 17 new records and only seven species were already known from other locations. We hypothesize that the present results represent only a small part of the actual biodiversity, and we predict a biodiversity of 10 different parasite species and 30 host-parasite combinations per serranid. A comparison with a study on Heron Island (Queensland, Australia) by Lester and Sewell (1989) was attempted: of the four species of fish in common and in a total of 91 host-parasite combinations, only six parasites identified at the species level were shared. This suggests strongly that insufficient sampling impairs proper biogeographical or ecological comparisons. Probably only 3% of the parasite species of coral reef fish are already known in New Caledonia.
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            Redescription and systematic status of Capillaria philippinensis, an intestinal parasite of human beings.

             F Moravec (2001)
            A redescription of the capillariid originally described as Capillaria philippinensis, a pathogenic intestinal parasite of humans, is provided on the basis of specimens collected in humans in the Philippines. The general morphology, particularly the structure of the male caudal end, shows that this species belongs to Paracapillaria Mendonça, 1963 according to the present classification system of capillariids; the species is transferred to Paracapillaria as Paracapillaria philippinensis (Chitwood, Velasquez, and Salazar, 1968) n. comb. Crossicapillaria n. subgen. is proposed to accommodate this species.
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              Capillaria philippinensis sp. n. (Nematoda: Trichinellida), from the intestine of man in the Philippines.

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                Author and article information

                Journal
                Parasite
                Parasite
                parasite
                Parasite
                EDP Sciences
                1252-607X
                1776-1042
                2014
                23 December 2014
                : 21
                : ( publisher-idID: parasite/2014/01 )
                Affiliations
                [1 ] Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic Branišovská 31 370 05 České Budějovice Czech Republic
                [2 ] ISYEB, Institut Systématique, Évolution, Biodiversité, UMR7205 CNRS, EPHE, MNHN, UPMC, Muséum National d’Histoire Naturelle CP 51, 55 rue Buffon 75231 Paris Cedex 05 France
                Author notes
                Article
                parasite140131 10.1051/parasite/2014076
                10.1051/parasite/2014076
                4273703
                25531932
                © F. Moravec and J-L. Justine, published by EDP Sciences, 2014

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                Page count
                Figures: 2, Tables: 0, Equations: 0, References: 14, Pages: 6
                Categories
                Research Article

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