Catostomus commersonii

Catostomus commersonii
White Sucker – Catostomus commersonii

Catostomus commersoni

FamilyScientific NameAuthorYearCommon Name
CatostomidaeCatostomus commersoni(Lacep├Ęde)1803White Sucker

Unique Characters: Lateral line scales more than 60. Body scales near the head are considerably smaller than those on the posterior portion of the body.

Similar Species:

Spotted Sucker
Minytrema melanops

Moxostoma species

Minytrema melanops
Spotted Sucker – Minytrema melanops
Moxostoma erythrurum
Golden Redhorse – Moxostoma erythrurum

Spotted Sucker Minytrema melanops. Lateral line absent. In adult each scale with a dark spot at the base, forming longitudinal stripes.

Moxostoma species. Lateral line scales fewer than 48. Body scales near the head are of the same size as those on the posterior portion of the body.

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