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Issue: Vol. 1068 No. 1: 21 Oct. 2005
Type: Articles
Published: 2005-10-21
DOI: 10.11646/zootaxa.1068.1.3
Page range: 29-46
Abstract views: 39
PDF downloaded: 2

Gorgocephalus yaaji n. sp. (Digenea: Gorgocephalidae) from the brassy chub Kyphosus vaigiensis (Perciformes: Kyphosidae) off Lizard Island, northern Great Barrier Reef and further records of G . kyphosi

Department of Zoology, Natural History Museum, Cromwell Road, London SW7 5BD, UK
Centre for Marine Studies and Department of Microbiology and Parasitology, The University of Queensland, Brisbane, Queensland 4072, Australia
Pisces Gorgocephalus yaaji Gorgocephalus kyphosi Gorgocephalidae Digenea Kyphosus vaigiensis Kyphosidae Perciformes Moorea French Polynesia Lizard Island Great Barrier Reef new species

Abstract

A new species Gorgocephalus yaaji is described in the intestine of Kyphosus vaigiensis from the waters off Lizard Island, Queensland, Australia. It differs from Gorgocephalus kyphosi by its broader body shape, the extension of the vitellarium into the forebody, a relatively longer forebody, cirrus-sac and post-caecal region, and a shorter distance between the ventral sucker and the ovary. It differs from Gorgocephalus manteri in its size, its tandem testes, and the ratios of width, ventral sucker to ovary distance and ovary to testes distance to body-length. Gorgocephalus kyphosi is reported in the pyloric caeca of K. vaigiensis from waters off Moorea, French Polynesia, and Lizard Island, Queensland, Australia. Measurements and an illustration are given of the latter species.

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