Names of some bottom feeder fish include cod, catfish, eel, grouper and various types of flatfish. A bottom feeder fish is characterized by living near or at the bottom of a body of water.
Additional types of bottom feeder fish include haddock, carp, snapper, bass and some species of shark. The various types of bottom feeder flatfish are flounder, sole, halibut and plaice.
Bottom feeder fish are commonly used in aquariums due to the popular notion that they help keep the fish tank clean. Biologists refer to bottom feeder fish by various specific terms, such as groundfish, benthic fish, benthopelagic fish and demersal fish.