Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Temperate; 35°N - 31°N
North America: Gila and Bill Williams River systems (in Colorado River drainage) in New Mexico and Arizona, USA, and northern Sonora, Mexico. Common but decreasing in southern half of range.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 5723)
Inhabits rocky pools of creeks and small to medium rivers. Large individuals occur in rocky riffles and runs at night.
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 2024-1)
Threat to humans
Harmless
Human uses
Tools
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