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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); confusus: confusus clouded, refering to the irregular and indistinct body pigmentation (Ref. 1998).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Temperate; 50°N - 42°N
North America: Columbia River drainage in British Columbia, Canada and in Montana, Idaho, Washington and Oregon, USA; and in Puget Sound drainage in Washington.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 5723); common length : 8.6 cm TL male/unsexed; (Ref. 12193); max. reported age: 6 years (Ref. 12193)
Occurs in fast, rocky riffles of cold headwaters, creeks and rivers.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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