Anaplebs, an intelligent species of fish is called a four eyed fish as it can see above and below the surface of water at the same time. They have eyes raised above the top of the head and divided in two different parts, so that they can see below and above the water surface at the same time. The maximum length of these species is up to 32 cm. Their diet mostly consists of terrestrial insects which are readily available at the surface, however, they may consume other foods such as other invertebrates, diatoms, and small fishes. They originate from lowlands in southern Mexico to Honduras and northern South America.