Northwest Fisheries Science Center

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Document Type: Report
Center: NWFSC
Document ID: 7908
Title: Predation, particularly by sculpins, on salmon fry in fresh waters of Washington
Author/Editor: Benjamin G. Patten
Year: 1972
Institution: National Marine Fisheries Service Data Report 71

Stomach contents of 41 species of fish collected in one lake and 11 streams were examined to determine species that were predaceous on wild and cultured Pacific salmon, Oncorhynchus spp., fry.  The only species with salmon in their stomachs were: sculpins, Cottus spp., coho salmon, O. kisutch, chinook salmon, O. tshawytscha, rainbow trout, Salmo gairdneri, and cutthroat trout, S. clarki.  Presented are data on the number of salmon in the stomachs of the predators and on body lengths of the predator species.