Abstract
Marine fishes were collected from off the Maldive Islands in March, 2005. From amongst the material collected, the nematode Cucullanus maldivensis n. sp. is described from the intestine of a lutjanid fish, the black and white snapper Macolor niger (Forsskål). This species is morphologically and biometrically most similar to C. bourdini Petter & Le Bel, 1992, differing from it principally in the protruding vulval lips, the location of the first pair of pre-anal papillae, the absence of an elevated cloacal region, and having distinctly larger eggs (51-57 x 33-36 microm). Additionally, adult females of the nematodes Procamallanus (Spirocamallanus) sp. and Camallanus sp. from the green jobfish Aprion virescens Valenciennes (Lutjanidae) and the rainbow runner Elegatis bipinnulata (Quoy & Gaimard) (Carangidae), respectively, were collected. These camallanids are illustrated and measurements are provided, but they were not identified or described in detail as no males were collected.
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