Gila crassicauda (Baird & Girard, 1854)
Thicktail chub
Gila crassicauda
photo by Sandra J. Raredon / Smithsonian Institution, NMNH, Div. of Fishes

Family:  Leuciscidae (Minnows), subfamily: Laviniinae
Max. size:  25 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  North America: Extinct; formerly in USA (Sacramento-San Joaquin River, Clear Lake (Lake Co.), Pajaro River, Salinas River and San Franciso Bay drainages in Califormia).
Diagnosis:  Dorsal soft rays (total): 8-9; Anal soft rays: 8-9. Caudal peduncle thick and deep. Body deep and compressed with nape high rising steeply from short, pointed head. Lateral line with 49-60 scales. Dorsal and anal fins with 8-9 rays. Pharyngeal teeth 2,5-4,2 (Ref. 86798).
Biology:  Formerly found in marshes and backwaters along rivers and lake margins. Reported to reach a maximum size of 3.2 cm TL (Ref. 86798).
IUCN Red List Status: Extinct (EX); Date assessed: 08 February 2012 Ref. (130435)
Threat to humans:  harmless


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