Ontogeny of swimming ability in the European Sea Bass, Dicentrarchus labrax (L.) (Teleostei: Moronidae)
Leis, J.M.; Balma, P.; Ricoux, R.; Galzin, R. (2012). Ontogeny of swimming ability in the European Sea Bass, Dicentrarchus labrax (L.) (Teleostei: Moronidae). Mar. Biol. Res. 8(3): 265-272. http://dx.doi.org/10.1080/17451000.2011.616898
In: Marine Biology Research. Taylor & Francis: Oslo; Basingstoke. ISSN 1745-1000; e-ISSN 1745-1019, more
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| Keywords |
Behaviour
Developmental stages > Juveniles
Developmental stages > Larvae
Dispersal phenomena
Speed
Dicentrarchus labrax (Linnaeus, 1758) [WoRMS]; Moronidae Jordan & Evermann, 1896 [WoRMS]; Teleostei [WoRMS]
Marine/Coastal |
| Author keywords |
Behaviour; larva; juvenile; critical speed; dispersal; connectivity |
| Authors | | Top |
- Leis, J.M.
- Balma, P.
- Ricoux, R.
- Galzin, R.
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| Abstract |
Development of critical speed (Ucrit) of reared young Sea Bass [6–63 days after hatch (DAH), 4–30 mm body length (BL)] at 18.5–21°C 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 0.6±0.03 cm s-1 day-1. When based on size (BL), Ucrit increased at a rate of 2.0±0.1 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 13.5–15.7 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. |
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