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Intestinal helminth parasites of the ray Raja naevus in British waters

Published online by Cambridge University Press:  05 June 2009

A. H. McVicar
A. H. McVicar
Affiliation:
Zoology Department, University of Aberdeen, Scotland
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Abstract

Five cestode, one monogenean, and two nematode species comprised the “normal” intestinal helminth fauna of Raja naevus in British waters. An additional two nematodes, a digenean, an acanthocephalan and a crustacean recorded are considered to be accidental infections. Geographical differences in the species composition and level of infection are noted and discussed. Short descriptions of the tetraphyllidean cestode Echeneibothrium sp. and the nematode Capillaria sp. are given, but the species, although probably both new, are left unnamed. The intensity of cestode infections show two patterns associated with host length and these are discussed in relation to variations in host diet. Speculations are made on the cestode life cycles. Only Echeneibothrium sp. numbers showed any significant variation associated with host sex.

Type
Research Article
Information
Journal of Helminthology , Volume 51 , Issue 1 , March 1977 , pp. 11 - 21
Copyright
Copyright © Cambridge University Press 1977

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