Title

The swimming speed of adult pink salmon, (Oncorhynchus gorbuscha), at 20°C and a comparison with sockeye salmon (O. nerka)

Authors

J R. Brett

Publication Date

1982

Keywords

adult, pink salmon, salmon, sockeye salmon, swimming, swimming speeds, flume, sustained speed

Report number

1143

Series Title

Canadian Technical Report of Fisheries and Aquatic Sciences

Abstract

Prolonged swimming speeds of female pink salmon (55 cm, 1879 g) were determined in a 27-cm diameter steel tunnel at 20 + or – 1 oC. The speeds were corrected for cross-sectional blocking effect of the fish by comparing tailbeat frequencies for the same velocities in the tunnel and in an open flume. The mean maximum sustained speed (10-h test time) was 1.12 m/s (2.04 l/s). Compared with sockeye salmon, pink salmon could only perform at approximately 80% of the level of prolonged speed achieved in the same tunnel by sockeye of comparable size.

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