Intraspecific individual variation of temperature tolerance associated with oxygen demand in the European sea bass (Dicentrarchus labrax)
Author(s) -
Karlina Ozolina,
Holly A. Shiels,
Hélène Ollivier,
Guy Claireaux
Publication year - 2016
Publication title -
conservation physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.942
H-Index - 37
ISSN - 2051-1434
DOI - 10.1093/conphys/cov060
Subject(s) - dicentrarchus , biology , sea bass , intraspecific competition , bass (fish) , contractility , isometric exercise , critical thermal maximum , vo2 max , zoology , fishery , ecology , fish <actinopterygii> , heart rate , physiology , endocrinology , blood pressure
Here we explored the hypothesis that individual variation in thermal tolerance in the European sea bass is associated with other key performance traits involved in determining individual Darwinian fitness. Our finding that whole animal temperature tolerance positively correlates with cardiac size could suggest selection on the cardiorespiratory system may benefit thermal tolerance.
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