Any fish of the family Pleuronectidæ; esp., the winter flounder (Pleuronectes Americanus). The flatfishes have the body flattened, swim on the side, and have eyes on one side, as the flounder, turbot, and halibut. See Flounder.
Laterally compressed benthic fishes of the order Pleuronectifomes, including flounders, soles, and tonguefishes.
A species of fish (including flounder, halibut and sole) characterized by a rather flat body, with both eyes located on the upper side. Flatfish swim on one side only; the side facing downwards is always very pale.
sweet lean whitish flesh of any of numerous thin-bodied fish; usually served as thin fillets
any of several families of fishes having flattened bodies that swim along the sea floor on one side of the body with both eyes on the upper side
The flatfish are an order (Pleuronectiformes) of ray-finned fish, also called the Heterosomata, sometimes classified as a suborder of Perciformes. The name means "side-swimmers" in Greek. In many species both eyes lie on one side of the head, one or the other migrating through and around the head during development.