Common name: Mountain Sucker
Synonyms and Other Names: Pantosteus platyrhynchus, P. jordani, P. lahontan. See Smith (1966) for full history.
available through www.itis.gov
Identification: Sigler and Miller (1963); Sigler and Sigler (1996), Smith (1966).
Native Range: Western United States in eastern California, Colorado, Idaho, Montana, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Utah, Washinton, and Wyoming; Alberta, British Colombia, and Saskatchewan, western Canada (Belica and Nibbelink 2006; Page and Burr 2011).
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Pantosteus platyrhynchus are found here.
Table last updated 2/27/2023
† Populations may not be currently present.
Means of Introduction: Hypothesized as stocked for bait or bait bucket release for introduced populations in Utah and Nevada (Miller 1952; Sigler and Miller 1963). Population in Sacramento River drainage, California, likely resulted from a water diversion from the LIttle Truckee River for irrigation (Moyle 2002).
Status: Common in the Duchesne River drainage, and established in the Price River drainage, Utah (Sigler and Sigler 1996).
Impact of Introduction: The impacts of this species are currently unknown, as no studies have been done to determine how it has affected ecosystems in the invaded range. The absence of data does not equate to lack of effects. It does, however, mean that research is required to evaluate effects before conclusions can be made.
References: (click for full references)
Belica, L.T., and N.P. Nibbelink. 2006. Mountain sucker (Catostomus platyrhynchus
): a technical conservation assessment. USDA Forest Service, Rocky Mountain Region
Miller, R.R. 1952. Bait fishes of the lower Colorado River, from Lake Mead, Nevada, to Yuma, Arizona, with a key for identification. California Fish and Game 38:7-42.
Moyle, P.B. 2002. Inland fishes of California. 2nd edition. University of California Press, Berkeley, CA.
Page, L.M., and B.M. Burr. 2011. Field guide to freshwater fishes of North America north of Mexico. Peterson Field Guides series. Houghton Mifflin Harcourt, Boston, MA.
Sigler, W.F., and R.R. Miller. 1963. Fishes of Utah. Utah State Department of Fish and Game, Salt Lake City, UT.
Sigler, W.F., and J.W. Sigler. 1996. Fishes of Utah: a natural history. University of Utah Press, Salt Lake City, UT.
Smith, G.R. 1966. Distribution and evolution of the North American catostomid fishes of the subgenus Pantosteus, genus Catostomus. Miscellaneous Publications, Museum of Zoology, University of Michigan, no. 129. Ann Arbor, MI.
Pam Fuller, and Matt Neilson
Revision Date: 7/29/2011
Peer Review Date: 7/29/2011
Pam Fuller, and Matt Neilson, 2023, Pantosteus platyrhynchus (Cope, 1874): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=350, Revision Date: 7/29/2011, Peer Review Date: 7/29/2011, Access Date: 3/22/2023
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.