The snail bullhead (Ameiurus brunneus) is a bony fish in the family Ictaluridae distributed widely in the southeastern United States. Among its bullhead catfish congeners, it has many North American relatives, like the brown bullhead (Ameiurus nebulosus) and black bullhead (Ameirurus melas). The species was described in 1877 by David Starr Jordan in the Ocmulgee River in Georgia.

Little is known about this species of fish and it is not a particularly prized fish due to its small size. The only known alias is the general vernacular term for all catfish in the United States, "mudcat".

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