Effect of Thermal Stress on Predator Avoidance in Sockeye Salmon
- 1 May 1972
- journal article
- Published by Canadian Science Publishing in Journal of the Fisheries Research Board of Canada
- Vol. 29 (5) , 601-603
- https://doi.org/10.1139/f72-103
Abstract
Under laboratory conditions, predation rates of yearling coho salmon (Oncorhynchus kisutch) on sockeye salmon fry (Oncorhynchus nerka) increased with increasing acclimation temperature. Elevated temperature doses significantly decreased survival of sockeye salmon fry. The results suggest that under natural conditions, sudden increases in water temperature could alter predator–prey interactions of some fish by increasing predation mortalities.Keywords
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