Cottus asper

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prickly sculpin (Cottus asper): Expected throughout the region in fresh water as well as estuaries and nearshore marine waters. Note on distinguishing from coastrange sculpin (Cottus aleuticus): from Distinct spot on back of dorsal fin found in most C. asper. You can count anal fin rays as well, C. asper have 15-19 while C. aleuticus have 12-15.

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