Suckermouth catfish

Suckermouth catfish may refer to:

• Any species of armored catfish (family Loricariidae), most notably:
• Hypostomus plecostomus, and Hypostomus punctatus, two species of armored catfish popular with aquarists
• Any similar species marketed under the name "plecostomus" or "pleco"
• Sailfin suckermouth, usually Pterygoplichthys gibbiceps