Chasmistes brevirostris Cope, 1879
Shortnose sucker
Taxonomy & Nomenclature
Conservation Status
Erroneously listed as Extinct by (Day, 1981) according to (Miller et al., 1989:37)
IUCN RedList status: Endangered
Distribution & Habitat
California & Oregon, USA
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Barry, P. M., Hayes, B. S., Janney, E. C., Shively, R. S., Scott, A. C. and Luton, C. D. (2007a). Monitoring of Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) suckers in Gerber and Clear Lake reservoirs, 2005-2006. Annual Report. U.S. Geological Survey, Klamath Falls, Oregon.
Barry, P. M., Scott, A. C., Hayes, B. S., Janney, E. C. and Luton, C. D. (2007b). Investigations of adult Lost River, shortnose, and Klamath largescale suckers in Upper Klamath Lake and its tributaries, Oregon, 2005. Annual Report. U.S. Geological Survey, Klamath Falls, Oregon.
Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, NY: The Viking Press.
Falter, M. A. and Cech, J. J., Jr. (1991). Maximum pH tolerance of three Klamath Basin fishes. Copeia 1991: 1109-1111.
Janney, E. C. and Shively, R. S. (2007). An updated analysis on the population dynamics of Lost River suckers and shortnose suckers in Upper Klamath Lake and its tributaries, Oregon. Administrative Report. U.S. Geological Survey, Klamath Falls, Oregon.
Moyle, P. B. (2002). Inland fishes of California. Revised and expanded. University of California Press, Berkeley, California.
NatureServe. (2013). Chasmistes brevirostris. The IUCN Red List of Threatened Species 2013: e.T4585A3003301. https://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T4585A3003301.en. Accessed on 13 September 2025.
Rasmussen, Josh E. (2011). Status of Lost River sucker and shortnose sucker. Western North American Naturalist 71(4): 442-455.
Scoppettone, G. G. and Vinyard, G. (1991). Life history and management of four endangered lacustrine suckers, pp. 359-377. In: Minckley, W. L. and Deacon, J. E. (eds.). Battle Against Extinction: Native Fish Management in the American West. Tucson, Arizona: University of Arizona Press.
U.S. Fish and Wildlife Service (USFWS). (1993). Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Sucker Recovery Plan. U.S. Fish and Wildlife Service, Portland, Oregon.
U.S. Fish and Wildlife Service (USFWS). (1994). Proposed determination of critical habitat for Lost River sucker and shortnose sucker. Federal Register 59(230): 61744-61759.
U.S. Fish and Wildlife Service (USFWS). (2007). Shortnose sucker (Chasmistes brevirostris) 5-year review summary and evaluation. U.S. Fish and Wildlife Service, Klamath Falls, Oregon.