Species FishWhite Sucker

White Sucker

Catostomus commersonii

CommonFish
Illustration of White Sucker (Catostomus commersonii)

The White Sucker is a robust fish with a cylindrical body and a distinctive sucker mouth. It is known for its ability to thrive in a variety of freshwater habitats.

Habitat
Found in rivers, streams, and lakes with gravel or sandy bottoms.
Diet
Primarily feeds on algae, detritus, and small invertebrates.
How common
Common

Recent White Sucker sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spotted a White Sucker?

Point Huck at any plant, bird, or animal and know for sure - plus a live map of where it is being spotted near you.

Get Huck - free
5,300+species
63national parks
50states

More fish

White-ear
White-ear
Parma microlepis
White-eyed Moray
White-eyed Moray
Gymnothorax thyrsoideus
White-spotted Eagle Ray
White-spotted Eagle Ray
Aetobatus ocellatus
White-spotted Puffer
White-spotted Puffer
Arothron hispidus
White's Seahorse
White's Seahorse
Hippocampus whitei
Whitebarred Goby
Whitebarred Goby
Amblygobius phalaena
Whitecheek Surgeonfish
Whitecheek Surgeonfish
Acanthurus nigricans
Whitemouth Moray
Whitemouth Moray
Gymnothorax meleagris