four-eyed fish

noun

1. a small, surface-swimming fish, Anableps anableps, inhabiting shallow, muddy streams of Mexico and Central America, having each eye divided, with the upper half adapted for seeing in air and the lower half for seeing in water.

four-eyed fish

noun

1. either of two viviparous tropical American freshwater cyprinodont fishes, Anableps anableps or A. microlepis , that swim at the surface of the water and have half of each eye specialized for seeing in air, the other half for seeing in water

Example Sentences

Four-eyed fish skittered over the water, pale as the ghosts of fish, and when quiet, showing only as a pair of bubbly eyes.

From Project Gutenberg