Four-eyed fish are not brilliantly shaded, nor do they have expand balances. As a matter of fact, they look practically the same as conventional fish—with the exception of that they have the most unbelievably extraordinary eyes.
As their name indicates, these cylinderlike fish have four eyes. At least, they give the impression of having four eyes. On closer examination, however, it can be seen that in fact they only have two eyes, just like most other fish. However, each eye has two colored strips of tissue that extend inward from the iris and meet in the center of the pupil. This effectively divides each eye into a top half and a bottom half, creating the
