Northwest Fisheries Science Center

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Document Type: Journal Article
Center: NWFSC
Document ID: 7916
Title: Increased predation by the torrent sculpin, Cottus rhotheus, on coho salmon fry, Oncorhynchus kisutch, during moonlight nights
Author: Benjamin G. Patten
Publication Year: 1971
Journal: Journal of the Fisheries Research Board of Canada
Volume: 28
Issue: 9
Pages: 1352-1354

In stream aquaria, the percentages of coho salmon fry removed by the torrent sculpin averaged 70 in four tests on moonlight nights and 24 in seven tests on dark nights.

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