Behavioural salinity preference of juvenile yellow perch Perca flavescens

E. A.F. Christensen, M. Grosell

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)1620-1626
Number of pages7
JournalJournal of Fish Biology
Volume92
Issue number5
DOIs
StatePublished - May 2018

Keywords

  • Perca flavescens
  • brackish water
  • choice tank
  • osmoregulation
  • salinity

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

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