Gila orcuttii (Eigenmann & Eigenmann, 1890)
Arroyo chub

Family:  Leuciscidae (Minnows), subfamily: Laviniinae
Max. size:  40 cm TL (male/unsexed); max. reported age: 4 years
Environment:  benthopelagic; freshwater
Distribution:  North America: Malibu and San Juan creeks, and Los Angeles, San Gabriel, San Luis Rey, Santa Ana, and Santa Margarita River drainages in California, USA. Introduced north to Santa Ynez River and Mojave (Death Valley basin) River drainage in California.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 7-7. Gila orcuttii can be distinguised by the following characters: lateral line with 48-62 scales; dorsal fin with 8 rays; anal fin with 7 rays; pharyngeal teeth 2,5-4,2; small, slightly subterminal mouth; short, rounded snout; large eye; deep body; deep caudal peduncle; gray-olive above; often a dusky gray stripe along silver side (Ref. 86798).
Biology:  Inhabits sandy and muddy bottoms of flowing pools and runs of headwaters creeks and small to medium rivers. Often found in intermittent streams (Ref. 86798).
IUCN Red List Status: Vulnerable (VU); Date assessed: 09 February 2012 (B1ab(ii,iii,v)+2ab(ii,iii,v)) Ref. (130435)
Threat to humans:  harmless


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