Catostomus santaanae (Snyder, 1908)
Santa Ana sucker
Catostomus santaanae
photo by Sandra J. Raredon / Smithsonian Institution, NMNH, Div. of Fishes

Family:  Catostomidae (Suckers), subfamily: Catostominae
Max. size:  25 cm TL (male/unsexed); max. reported age: 4 years
Environment:  demersal; freshwater
Distribution:  North America: Los Angeles, San Gabriel and Santa Ana River drainages in southern California, USA.
Biology:  Inhabits clear, cool rocky pools and runs of creeks and small to medium rivers.
IUCN Red List Status: Endangered (EN); Date assessed: 31 October 2011 (B1ab(ii,iii,v)c(iv)) Ref. (126983)
Threat to humans:  harmless

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