ICES Journal of Marine Science: Journal du Conseil Advance Access originally published online on January 31, 2008
ICES Journal of Marine Science: Journal du Conseil 2008 65(2):171-173; doi:10.1093/icesjms/fsm188
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Prevalence, abundance, and distribution of Lepeoptheirus salmonis (Krøyer, 1837) and Caligus elongatus (Nordmann, 1832) on wild sea trout Salmo trutta L.
Fisheries Research Services Marine Laboratory, PO Box 101, 375 Victoria Road, Torry, Aberdeen AB11 9BD, UK
Correspondence to K. Urquhart: tel: +44 1224 295609; fax: +44 1244 295667; e-mail: urquhartk{at}marlab.ac.uk
Urquhart, K., Pert, C. C., Kilburn, R., Fryer, R. J., and Bricknell, I. R. 2008. Prevalence, abundance, and distribution of Lepeoptheirus salmonis (Krøyer, 1837) and Caligus elongatus (Nordmann, 1832) on wild sea trout Salmo trutta L. – ICES Journal of Marine Science, 65: 171–173.Lepeophtheirus salmonis (Krøyer, 1837) and Caligus elongatus (Nordmann, 1832) were found on 100% and 90%, respectively, of 30 wild sea trout from the east coast of Scotland. Mean abundances of the same two sea lice were 7.8 and 7.7, respectively. The distribution of the two species of sea louse differed, however, with a greater proportion of L. salmonis in the posterior and anterior dorsal regions, and a greater proportion of C. elongatus in the caudal and posterior ventral regions.
Keywords: abundance, Caligus elongatus, distribution, Lepeophtheirus salmonis, prevalence, sea trout
Received 25 May 2007; accepted 7 December 2007; advance access publication 31 January 2008.