Cucullanid nematodes (Nematoda: Cucullanidae) from deep-sea marine fishes off New Caledonia,including <Emphasis Type="Italic">Dichelyne etelidis</Emphasis> n. sp. |
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Authors: | Franti?ek Moravec Jean-Lou Justine |
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Institution: | 1.Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic,?eské Budějovice,Czech Republic;2.UMR 7138 Systématique, Adaptation, évolution, Muséum National d’Histoire Naturelle,Paris cedex 05,France;3.Aquarium des Lagons,Nouméa,Nouvelle-Calédonie |
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Abstract: | Three nematode species of the family Cucullanidae, intestinal parasites of marine perciform fishes, are reported from off
New Caledonia: Cucullanus bourdini Petter & Le Bel, 1992 from the crimson jobfish Pristipomoides filamentosus (Valenciennes) and the goldflag jobfish Pristipomoides auricilla (Jordan, Evermann & Tanaka) (new host record) (both Lutjanidae); Dichelyne etelidis n. sp. from the deep-water red snapper Etelis carbunculus Cuvier (type-host) and the deep-water longtail red snapper Etelis coruscans Valenciennes (both Lutjanidae); and Dichelyne sp. (only one female) from the trumpet emperor Lethrinus miniatus (Forster) (Lethrinidae). Detailed light and electron microscopical studies revealed in C. bourdini some taxonomically important, previously unreported features, such as the location of the excretory pore, nature of the vulva
and the size of fully-developed eggs. The new species, D. etelidis, is characterised mainly by the length of the spicules (462–748 μm), a single intestinal caecum, the location of the deirids
and excretory pore, the arrangement of the genital papillae and the host group. |
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