White Sucker and Similar Species
Catostomus commersonii
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Open the appSeveral fish can be confused with White Sucker. Here are the key differences.
Species often confused with {name}
Longnose Sucker
Catostomus catostomus
Key differences: The Longnose Sucker has a more elongated snout that projects beyond its mouth, and its lips are less papillose. It also typically has smaller scales (65-85 in the lateral line) and a more northern distribution.
Northern Hogsucker
Hypentelium nigricans
Key differences: The Northern Hogsucker has a distinctive square-shaped head and a deeply lobed lower lip. Its body is often mottled or blotchy, and it has a more pronounced humped back.
Silver Redhorse
Moxostoma anisurum
Key differences: Redhorse suckers (genus Moxostoma) generally have a more streamlined body, a less papillose mouth, and often reddish or orange fins, particularly the caudal fin. The Silver Redhorse specifically has a large, silvery body and a relatively small head.
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