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Cottus gulosus (Girard, 1854) Riffle sculpin |
| Family: | Cottidae (Sculpins) | |||
| Max. size: | 11 cm TL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | North America: Pacific Slope drainages from lower Columbia River drainage in Washington to Morro Bay in California (including Sacramento-San Joaquin River drainage except upper Pit River), USA; absent in Rogue and Klamath River drainages in southern Oregon and northern California. | |||
| Diagnosis: | ||||
| Biology: | Inhabits sand and gravel riffles of headwaters and creeks; also in sand-gravel runs and backwaters of small to large rivers (Ref. 5723). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 09 November 2011 Ref. (130435) | |||
| Threat to humans: | harmless | |||