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Swimming performance of 3 southwest pacific fishes


, : Swimming performance of 3 southwest pacific fishes. Marine Biology (Berlin) 79(3): 311-314

The logarithm of stamina for each of Sardinops sagax (4-6600 s), Scomber japonicus peruanus (16-27,000s) and Odontestes regia (7-9900 s), adjusted to a length of 10 cm, decreased linearly over swimming speeds of 31-82, 25-78 and 24-75 cm s-1, respectively (19.degree. C). The regression coefficient was -0.064 for both S. j. peruanus and O. regia and -0.049 for S. sagax. Critical swimming speed (60 min, 5 cm s-1) for S. sagax (10 cm), 32 cm s-1, is within the range found for other species of similar length. The suggestion of a change in regression coefficient as swimming speed increased from prolonged to burst (Brett, 1964) was not supported by the results of this study.

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