Catostomus occidentalis Ayres, 1854
Sacramento sucker
Catostomus occidentalis
photo by Reyes, R.C.

Family:  Catostomidae (Suckers), subfamily: Catostominae
Max. size:  60 cm TL (male/unsexed); max. reported age: 10 years
Environment:  demersal
Distribution:  North America: Pacific Slope of USA from Mad River in north California to Salinas River in central California; throughout Sacramento-San Joaquin drainage from Goose Lake in Oregon to Kern River in California. Four susbpecies were recognized, but in need of study.
Diagnosis:   
Biology:  Occurs usually in pools of clear, cool streams. Also found in lakes and impoundments (Ref. 86798).
IUCN Red List Status: Least Concern (LC); Date assessed: 27 October 2011 Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Froese, Rainer - 01.05.91
Modified by: Torres, Armi G. - 27.08.14
Checked by: Torres, Armi G. - 24.05.94

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