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Transmission of Cryptocotyle lingua cercariae in natural environments: a field experiment
Author(s) -
Lysne D. A.,
And A. Skorping,
Hemmingsen W.
Publication year - 1998
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1998.tb01840.x
Subject(s) - littorina , biology , rocky shore , shore , snail , ecology , transmission (telecommunications) , fish <actinopterygii> , host (biology) , fishery , zoology , gastropoda , electrical engineering , engineering
Atlantic cod were kept at two different depths in three cages placed at increasing distance from a rocky shore where natural infections of the digenean Cryptocotyle lingua occurred in the snail Littorina littorea . During a 6‐month period the fish kept at 0–2 m accumulated significantly more parasites than those kept at 2–4 m. Distance from the shore did not affect infection rates. We conclude that host location behaviour of cercariae influences the infection pattern under natural conditions, and that transmission from snail to fish can take place over large areas of coastal waters.