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Haematophagous feeding of newly metamorphosed European sea lampreys Petromyzon marinus on strictly freshwater species
Author(s) -
Silva S.,
Servia M. J.,
VieiraLanero R.,
Nachón D. J.,
Cobo F.
Publication year - 2013
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/jfb.12100
Subject(s) - petromyzon , biology , lamprey , predation , zoology , ecology , fishery
Approximately 6% of the freshwater living northern straight‐mouth nase Pseudochondrostoma duriense in two Spanish rivers had attached post‐metamorphic sea lamprey Petromyzon marinus . Minimum prey size was 16·1 cm fork length and 56·3 g mass. The condition factor of attacked P. duriense was 16% lower than that of unattacked conspecifics.
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