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| NAS - Nonindigenous Aquatic Species |
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Common Name: Utah sucker
Taxonomy: available through 
Identification: Page and Burr (1991); Sigler and Sigler (1996).
Size: 65 cm.
Native Range: Lake Bonneville basin in Utah, Idaho, Wyoming and Nevada
and the Snake River above Shoshone Falls (Sigler and Sigler 1987, 1996).
Nonindigenous Occurrences: A single specimen was collected from lower Red Rock Lake in Beaverhead County, Beaverhead drainage, Montana in 1951 (museum specimen). Also introduced to the Green, Strawberry, Duchesne, and Fremont rivers in the upper Colorado River basin in Utah (Tyus et al. 1982; Sigler and Sigler 1987, 1996), and to Fontanelle Reservoir on the Green River in Wyoming in or before the early 1980s (Tyus et al. 1982).
Means of Introduction: Probably introduced to the Colorado River drainage via bait bucket (Sigler and Sigler 1996). Means of introduction in Montana unknown.
Status: Established in the Colorado basin, Utah and Wyoming. Single specimen collected from Montana in 1951.
Impact of Introduction: Unknown.
Remarks: Voucher specimens: Montana (UMMZ 173861). Montana specimen identified by R.R. Miller and R.M. Bailey.
Page, L. M., and B. M. Burr. 1991. A field guide to freshwater fishes of North America north of Mexico. The Peterson Field Guide Series, volume 42. Houghton Mifflin Company, Boston, MA.
Sigler, W. F., and J. W. Sigler. 1987. Fishes of the Great Basin: A Natural History. University of Nevada Press, Reno, NV. 425 pp.
Sigler, W. F., and J. W. Sigler. 1996. Fishes of Utah. University of Utah Press, Salt Lake City, UT. 375 pp.
Tyus, H. M., B. D. Burdick, R. A. Valdez, C. M. Haynes, T. A. Lytle, and C. R. Berry. 1982. Fishes of the upper Colorado River basin: distribution, abundance, and status. Pages 12--70 in W. H. Miller, H. M. Tyus, and C. A. Carlson, editors. Fishes of the upper Colorado River system: present and future, Western Division, American Fisheries Society.
Other Resources:
FishBase Fact Sheet
Author: Pam Fuller
Revision Date: 11/13/2003 Citation for this information:
Pam Fuller. 2009. Catostomus ardens. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
<http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=344> Revision Date: 11/13/2003
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