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Evidence of silver eels contamination by microcystin‐LR at the onset of their seaward migration: what consequences for breeding potential?
Author(s) -
Acou A.,
Robinet T.,
Lance E.,
Gerard C.,
Mounaix B.,
Brient L.,
Le Rouzic B.,
Feunteun E.
Publication year - 2008
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.1095-8649.2007.01726.x
Subject(s) - fishery , microcystin , contamination , fish <actinopterygii> , anguillidae , algal bloom , biology , environmental science , zoology , environmental chemistry , ecology , cyanobacteria , chemistry , phytoplankton , nutrient , genetics , bacteria
Thirty migrating silver eels Anguilla anguilla were collected in a river system where algal blooms occurred yearly. Fifty per cent of eel livers were contaminated by microcystin‐LR (mean ± s . d . toxin level: 28·1 ± 22·4 ng g −1 ). Contaminated silver ( v. healthy) eels had lower fish condition. Consequences of this impact for the breeding potential of these migrating eels are discussed.