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Une nouvelle espèce de Cymothoidae et trois Aegidae (Crustacea, Isopoda) récoltés sur des poissons de profondeur au large de la Nouvelle-Calédonie

Jean-Paul TRILLES & Jean-Lou JUSTINE

fr Zoosystema 26 (2) - Pages 211-233

Published on 25 June 2004

A new cymothoid species, and three aegids (Crustacea, Isopoda), collected from deep-sea fish off New Caledonia

Elthusa parabothi n. sp. (Cymothoidae), parasite on Parabothus kiensis (Teleostei, Bothidae) collected at a depth of 400 m off New Caledonia, is described. The species is characterised by the almost regular circular shape of females, and is very different from the other species of the genus ; it superficially resembles Livoneca circularis but can be distinguished by features of body and appendages. Three species of Aegidae were collected from deep-sea (300-900 m) sharks caught off New Caledonia: Aega angustata Whitelegge, 1901, collected from Hexanchus nakamurai, Squalus megalops and Squalus melanurus, and Aega cf. deshaysiana (Milne Edwards, 1840) and Aega webbii (Guérin, 1836), both collected from Squalus megalops. Their morphological characteristics are described. These are new records for New Caledonia and for these sharks.

Keywords :

Crustacea, Isopoda, Elthusa parabothi n. sp., Aega, Bothidae, selacians, New Caledonia, new records, new species.

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