Title
Pectoral fin beat frequency predicts oxygen consumption during spontaneous activity in a labriform swimming fish (**Embiotoca lateralis**) Pectoral fin beat frequency predicts oxygen consumption during spontaneous activity in a labriform swimming fish (**Embiotoca lateralis**)
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
The Hague ,
Subject
Biology
Source (journal)
Environmental biology of fishes. - The Hague
Volume/pages
84(2009) :1 , p. 121-127
ISSN
0378-1909
ISI
000261967800015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The objective of this study was to identify kinematic variables correlated with oxygen consumption during spontaneous labriform swimming. Kinematic variables (swimming speed, change of speed, turning angle, turning rate, turning radius and pectoral fin beat frequency) and oxygen consumption (MO2) of spontaneous swimming in Embiotoca lateralis were measured in a circular arena using video tracking and respirometry, respectively. The main variable influencing MO2 was pectoral fin beat frequency (r 2 = 0.71). No significant relationship was found between swimming speed and pectoral fin beat frequency. Complementary to other methods within biotelemetry such as EMG it is suggested that such correlations of pectoral fin beat frequency may be used to measure the energy requirements of labriform swimming fish such as E. lateralis in the field, but need to be taken with great caution since movement and oxygen consumption patterns are likely to be quite different in field situation compared to a small lab tank. In addition, our methods could be useful to measure metabolic costs of growth and development, or bioassays for possible toxicological effects on fish.
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