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Ontogeny of swimming ability in the European Sea Bass Dicentrarchus labrax (Teleostei: Moronidae)

Citation

Leis, JM and Balma, P and Ricoux, R and Galzin, R, Ontogeny of swimming ability in the European Sea Bass Dicentrarchus labrax (Teleostei: Moronidae), Marine Biology Research, 8, (3) pp. 265-272. ISSN 1745-1000 (2012) [Refereed Article]

Copyright Statement

Crown Copyright 2012

DOI: doi:10.1080/17451000.2011.616898

Abstract

Development of critical speed (Ucrit) of reared young Sea Bass [663 days after hatch (DAH), 430 mm body length (BL)] at 18.521C was measured using a swimming chamber. Critical speed increased from a mean of 2 cm s−1 at 6 DAH to 41 cm s−1 at 63 DAH at a rate of 0.60.03 cm s−1 day−1. When based on size (BL), Ucrit increased at a rate of 2.00.1 cm s−1 mm−1. Relative speed increased from 4.7 BL s−1 at 6 DAH to 13.1 BL s−1 at 33 DAH, and was thereafter 13.515.7 BL s−1. Sea Bass larger than about 11 mm (when the caudal fin forms) swam at Reynolds numbers > 1000, and were thus swimming in an inertial hydrodynamic environment. Sea Bass young swim fast enough from about 15 mm (approx. 27 DAH) to influence dispersal outcomes.

Item Details

Item Type:Refereed Article
Keywords:behaviour, larva, juvenile, critical speed, dispersal, connectivity
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and Estuarine Ecology (incl. Marine Ichthyology)
Objective Division:Environment
Objective Group:Flora, Fauna and Biodiversity
Objective Field:Marine Flora, Fauna and Biodiversity
Author:Leis, JM (Dr Jeff Leis)
ID Code:94116
Year Published:2012
Web of Science® Times Cited:4
Deposited By:IMAS Research and Education Centre
Deposited On:2014-08-29
Last Modified:2014-09-01
Downloads:0

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