Flannelmouth Sucker and Similar Species
Catostomus latipinnis
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Open the appSeveral fish can be confused with Flannelmouth Sucker. Here are the key differences.
Species often confused with {name}
Bluehead Sucker
Catostomus discobolus
Key differences: The Bluehead Sucker has a smaller, less papillose lower lip that is not deeply incised. Its head is often bluish, especially in spawning males, and it typically has fewer lateral line scales (55-65).
White Sucker
Catostomus commersonii
Key differences: The White Sucker has a smaller mouth and lips with fewer, less prominent papillae. Its scales are generally smaller and more numerous (60-80 in the lateral line), and its body is typically more slender.
Desert Sucker
Catostomus clarkii
Key differences: The Desert Sucker has a smaller, more rounded head and a less robust body. Its lips are less fleshy and papillose than the Flannelmouth Sucker, and it typically has fewer lateral line scales (55-65).
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