Largescale Sucker and Similar Species
Catostomus macrocheilus
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Open the appSeveral fish can be confused with Largescale Sucker. Here are the key differences.
Species often confused with {name}
Bridgelip Sucker
Catostomus columbianus
Key differences: The Bridgelip Sucker has a distinctive fleshy bridge or fold connecting the upper and lower lips at the corners of the mouth, which is absent in the Largescale Sucker. It also typically has smaller scales (65-85 in the lateral line) and a more slender body.
Longnose Sucker
Catostomus catostomus
Key differences: The Longnose Sucker has a more pointed snout that projects beyond the mouth, and its scales are much smaller (95-120 in the lateral line) than those of the Largescale Sucker. Its lips are also less papillose.
Mountain Sucker
Catostomus platyrhynchus
Key differences: The Mountain Sucker is generally smaller, has a flattened snout, and a cartilaginous ridge on the lower jaw. Its scales are also smaller (65-85 in the lateral line) and its lips are less developed than those of the Largescale Sucker.
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