Cryptic Behaviour of Juvenile Turbot Psetta maxima L. and European Flounder Platichthys flesus L. - Open Journal of Marine Science

OJMS > Vol.4 No.3, July 2014

Open Journal of Marine Science

Volume 4, Issue 3 (July 2014)

ISSN Print: 2161-7384 ISSN Online: 2161-7392

Google-based Impact Factor: 0.95 Citations

Cryptic Behaviour of Juvenile Turbot Psetta maxima L. and European Flounder Platichthys flesus L. ()

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Download as PDF (Size: 1280KB) PP. 185-193

DOI: 10.4236/ojms.2014.43018 2,739 Downloads 3,633 Views Citations

Author(s)

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

Affiliation(s)

Aarhus University, Department of Bioscience, Aquatic Biology, Aarhus, Denmark.
Technical University of Denmark, National Institute of Aquatic Resources, Charlottenlund, Denmark.

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.

KEYWORDS

Juvenile Flatfish, Burying Behaviour, Conditioning, Stock Enhancement

Share and Cite:

Kristensen, L. , Sparrevohn, C. , Christensen, J. and Støttrup, J. (2014) Cryptic Behaviour of Juvenile Turbot Psetta maxima L. and European Flounder Platichthys flesus L.. Open Journal of Marine Science, 4, 185-193. doi: 10.4236/ojms.2014.43018.

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