Maryland Biodiversity Project White Sucker (Catostomus commersonii)

Geographic Range White suckers ( Catostomus commersonii ) are a highly ubiquitous species. Their range is over 2.5 million square kilometers, stretching from east of the Mackenzie River to Labrador in Canada, and into 40 states in the Eastern and Midwestern United States. White suckers are also an introduced species in the Colorado River drainage basin. Biogeographic Regions nearctic nearctic.. Catostomus commersonii Although generally not a popular fish among fisheries workers or anglers, this native species is abundant in most of its range and is one of the most ecologically important fish species in many streams and lakes.

Catostomus utawana of the Adirondack region of New York formerly was included in Catostomus commersonii (see Morse and Daniels 2009). See Smith (1992) for a study of the phylogeny and biogeography of the Catostomidae.. White Sucker (Catostomus commersonii) - Species Profile Means of Introduction: Bait bucket release and trout stock contamination in Colorado. Probably as bait bucket release in Utah, and Wyoming. Unknown means in Georgia, North Carolina, and New Mexico. Woodling (1985) reported the first introductions in the Colorado River took place in the 1860s and 1870s. Holden and Stalnaker (1975) reported.