Chasmistes cujus Cope, 1883
Cui-ui

Family:  Catostomidae (Suckers), subfamily: Catostominae
Max. size:  67 cm TL (male/unsexed); max.weight: 2,720.0 g; max. reported age: 41 years
Environment:  demersal; freshwater, potamodromous
Distribution:  North America: Pyramid and Winnemucca lakes in Nevada, USA.
Diagnosis:   
Biology:  Occurs in deep water. Spawns only around margin of Pyramid Lake in Nevada, USA but formerly made spectacular spawning runs up Truckee River in Nevada, USA. Populations were subject to intensive fishing in the 19th and early 20th century; habitats have been greatly altered by water development projects; species is now endangered (Ref. 47054).
IUCN Red List Status: Endangered (EN); Date assessed: 02 November 2011 (B1ac(ii,iv)+2ac(ii,iv)) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.