Show flounders eye enables it to take on neutral color studies of the winter flounder prove that the eye of this fish is the organ which enables it to take on the color of the sea bottom on which it lies les in order to deceive prey when the head of the fish was placed against a black background its entire body turned very dark and vice versa says colliers the uncanny ability of this fish to copy a varied background was also al s 6 shown by putting it against a black arld arid white checkerboard which it reproduced well enough to make itself indistinguishable at a distance of ten feet |