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Morphology as a key to behavioural flexibility: body shape and swimming variability in the dimorphic crucian carp

Author:
  • Lars Pettersson
Publishing year: 2007
Language: English
Pages: 113-119
Publication/Series: Web Ecology
Volume: 7
Document type: Journal article
Publisher: European Ecological Federation in cooperation with Oikos

Abstract english

Swimming trajectories of length-matched deep-bodied and shallow-bodied crucian

carp were quantified in the laboratory using motion analysis software and compared in terms of swimming velocity, turning behaviour and associated coefficients of variation. The mean velocities of the two morphs were similar, but slower than predicted, and there was no difference in turning behaviour. In line with predictions from analysis of power curve steepness, swimming velocities of deep-bodied, high-drag individuals were significantly less variable than shallow-bodied conspecifics, thus indicating an association between body shape behavioural flexibility in terms of swimming variability.

Keywords

  • Ecology

Other

Published
  • ISSN: 1399-1183
Lars B. Pettersson
E-mail: lars.pettersson [at] biol.lu.se

Researcher

Biodiversity

+46 46 222 38 18

+46 70 611 63 45

E-B371

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Centre for Animal Movement Research
Evolutionary Ecology, Department of Biology
Ecology building S-223 62 Lund Sweden