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Shortnose sucker

Shortnose sucker
Scientific classification Edit this 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,[2][3][4] 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.[1]

Close up side view of a shortnose sucker's head.
  1. ^ a b NatureServe (2013). "Chasmistes brevirostris". The IUCN Red List of Threatened Species. 2013. IUCN: e.T4585A3003301. doi:10.2305/IUCN.UK.2013-1.RLTS.T4585A3003301.en. Retrieved 4 January 2018.
  2. ^ Lost River and Shortnose Sucker. United States Fish and Wildlife Service. August 2010.
  3. ^ Neumann, Erik; Jefferson Public Radio (3 July 2021). "C'waam and Koptu: The fish at the center of the Klamath Basin's water crisis". OPB. Retrieved 19 January 2024.
  4. ^ "Ambodat Facility Produces Another Generation of Endangered c'waam and koptu" (Press release). Klamath Tribes. 11 May 2023. Retrieved 3 September 2024.

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