Shortnose sucker

Shortnose sucker
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Catostomidae
Genus: Chasmistes
Species:
C. brevirostris
Binomial name
Chasmistes brevirostris
Cope, 1879

The shortnose sucker (Chasmistes brevirostris), also known as the koptu (pronounced /ˈkɒp.t/ KOP-too) by the Klamath Tribes, is a rare species of fish in the family Catostomidae, the suckers. It is native to southern Oregon and northern California in the United States. This species and related ones were a major food source for local tribes, and are still considered to be sacred animals. It is a federally listed endangered species of the United States.