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MBSS Fish Information
WHITE SUCKER
Catostomus commersoni

The White sucker is a member of the Sucker family (Catostomidae). Large white suckers have been reported to reach 17 years of age and lengths of over 23 inches.

The map below shows presence (green circles) of this species in the 1995-2019 MBSS dataset.
Illustration by Dave Neely

Distribution of White sucker in Maryland (MBSS data):

The MBSS has collected the following fishes in the family Catostomidae:

Common Name Genus & species
Creek chubsucker Erimyzon oblongus
Northern hogsucker Hypentelium nigricans
Shorthead redhorse Moxostoma macrolepidotum
White sucker Catostomus commersoni
Golden redhorse Moxostoma erythrurum