Behavioural salinity preference of juvenile yellow perch   Perca flavescens | Zendy

Christensen E. A. F. | Zendy; Grosell M. | Zendy

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Behavioural salinity preference of juvenile yellow perch Perca flavescens

Author(s) -

Christensen E. A. F.,

Grosell M.

Publication year - 2018

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.13583

Subject(s) - perch , biology , juvenile , salinity , osmoregulation , acclimatization , fishery , zoology , ecology , fish <actinopterygii>

The present study determined the behavioural salinity preference of a freshwater stock of juvenile yellow perch Perca flavescens acclimated to salinities of 0 and 10. The preferred salinities ranged between 7·3 and 13·0 (mean ± s.d . = 10·4 ± 1·7; n = 13) with no significant effect of acclimation salinity. The results showed that juvenile P. flavescens prefers near isoosmotic salinities, which could be due to a lowered energetic cost of osmoregulation.

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