Gila coerulea
Gila coerulea (Girard, 1856)
Blue chub


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Family:  Leuciscidae (Minnows), subfamily: Laviniinae
Max. size:  41 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  North America: Klamath and Lost River systems in Oregon and California, USA.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 8-9. Gila coerulea can be distinguished by the following characters: large eye; pointed snout; terminal mouth extending to front of eye; fairly slender, compressed body, slender caudal peduncle; 58-71 scales on lateral line; 9 dorsal rays; 8-9 anal rays; pharyngeal teeth 2,5-5,2; body generally dusky olive above; silver blue side; and breeding males with blue snout, orange side and fins (Ref. 86798).
Biology:  Adults inhabit rocky pools of creeks and small to large rivers, and rocky shores of lakes and impoundments (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 February 2012 Ref. (130435)
Threat to humans:  harmless


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