Noun
The word is derived from flatfish
The length of the planktonic stage varies between different types of flatfishes, but eventually they begin to metamorphose into the adult form. Source: Internet
The side of the body without the eyes, facing the seabed, is usually colourless or very pale. citation In general, flatfishes rely on their camouflage for avoiding predators, but some have conspicuous eyespots (e. Source: Internet