Photos - Freshwater Fish - Suckers

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Learn more about suckers (Catostomidae) as environmental indicators and read An Introduction to Freshwater Fishes as Biological Indicators (EPA-260-R-08-016 November 2008) (96pp, 3.3MBAbout PDF).

Family Catostomidae

Genus Carpiodes Quillback, Carpsucker	Genus Cycleptus Blue sucker
Genus Ictiobus Smallmouth buffalo, Bigmouth buffalo	Genus Minytrema Spotted sucker, White sucker	Genus Moxotsoma Black Redhorse, Golden Redhorse

Genus Carpiodes

Quillback (Carpiodes cyprinus)

Quillback mouth - photo by Todd Crail
Quillback mouth - inferior with thin lips

Carpsucker - photo by Wayne S. Davis ©
Carpsucker (Carpiodes carpio)

Genus Cycleptus

Blue sucker (Cycleptus elongatus)

Genus Catostomus

White Sucker (Catostomus commersonii)

White Sucker Mouth - Photo by Todd Crail

White Sucker - Mouth inferior with fleshy, pappilose lips

Genus Ictiobus

Smallmouth buffalo - photo by Wayne S. Davis ©
Smallmouth buffalo (Ictiobus bubalus)

Smallmouth buffalo mouth - inferior

Bigmouth Buffalo - photo by Wayne S. Davis ©
Bigmouth buffalo (Ictiobus cyprinellus)

Bigmouth buffalo mouth - terminal

Genus Minytrema

Spotted sucker mouth - Photo by Todd Crail©

Spotted sucker - mouth inferior with thin, plicate lips

Genus Moxotsoma

Golden Redhorse (Mosostoma erythrurum)	Golden Redhorse - Mouth inferior with plicate lips that form a U- shape posteriorly
Black Redhorse (Moxotsoma duquesnei)

Photo credits: All Digital Photographs by Jeff Grabarkiewicz, Wayne Davis, and Todd Crail.

Biological Indicators | Aquatic Biodiversity | Statistical Primer

Photos - Freshwater Fish - Suckers

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