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Observations and Experiments on some Larval Trematodes of Freshwater Snails and Fish from Southern Iceland

Published online by Cambridge University Press:  25 August 2011

David Blair
Affiliation:
Wellcome Laboratories for Experimental Parasitology, University of Glasgow, Bearsden Road, BearsdenGlasgow

Extract

During the Glasgow University Iceland Expedition in 1972 freshwater snails and fish in southern Iceland were sampled for larval trematodes. This survey was prompted by the lack of literature concerning larval trematodes there. Indeed, the apparent absence of liver fluke Fasciola hepatica (L.1758) from Iceland, (Palsson, pers. comm.) despite the presence of its molluscan and definitive hosts and the low summer temperatures, might lead to the supposition that climatic conditions are too harsh to permit completion of many trematode life-cycles. A number of adult trematodes have been reported from migratory birds in Iceland (Brinkmann 1956), although these parasites could have been acquired elsewhere. However, Crepidostomum farionis (Müller, 1784) from the gut of trout and char in Iceland (Brinkmann 1956) presumably completes its life cycle in freshwater there, although this has yet to be demonstrated.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1973

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