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Adaptation of the dark muscle of cod to swimming activity
Author(s) -
Love R. Malcolm,
Munro Lesley J.,
Robertson Ian
Publication year - 1977
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.1095-8649.1977.tb04137.x
Subject(s) - gadus , biology , atlantic cod , fishery , adaptation (eye) , zoology , fish <actinopterygii> , neuroscience
After cod ( Gadus morhua L.) had been exercised in a channel, the intensity of pigmentation of the dark muscle was shown to be greater than in unexercised controls. A well‐marked seasonal cycle in pigmentation occurs in cod caught near Aberdeen with a summer maximum suggesting maximal feeding activity. The possibility of using the observation to identify stocks of fish is considered.