Cryptic behaviour of juvenile turbot Psetta maxima L. and European flounder Platichthys flesus L

Louise Dahl Kristensen, Claus Reedtz Sparrevohn, Jens Tang Christensen, Josianne Støttrup

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Abstract

The aim of this study was to examine the burying behaviour of hatchery-reared European flounder Platichthys flesus and turbot Psetta maxima, and whether conditioning on a sandy substrate would improve burying efficiency. Both species buried shortly after release on a sandy substrate. However, the study revealed interspecies differences; the flounder buried immediately after release, while the turbot buried gradually. No significant difference in burying efficiency was observed between naïve and conditioned flounder and turbot. An effect of size on burial efficiency was observed for both flounder and turbot with a tendency for larger fish to bury more efficiently than smaller fish, despite previous conditioning. Size at settlement was found to be >2 cm for flounder and >3 cm for turbot.
Original languageEnglish
JournalOpen Journal of Marine Science
Volume4
Pages (from-to)185-193
ISSN2161-7384
DOIs
Publication statusPublished - 2014

Keywords

  • Juvenile flatfish
  • Burying behaviour
  • Conditioning
  • Stock enhancement

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