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flatfish
(-fis̸h′)
noun pl. flatfish, flatfishes
any of an order (Pleuronectiformes) of marine bony fishes, including flounders and soles, having a laterally flattened, asymmetrical body with, as an adult, both eyes and mouth on the upper side
See flatfish in American Heritage Dictionary 4
noun pl. flatfish flatfish or flat·fish·es
Any of numerous chiefly marine fishes of the order Pleuronectiformes, including the flounders, soles, and halibuts, having a laterally compressed body with both eyes on the upper side.
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