Genus: Anableps, Four-Eyes
pelvics on abdomen
Body elongate; head depressed at front, pointed in side view; mouth protractile; eye horizontally divided, raised above head, with 2 pupils; fins without spines; dorsal fin short (7-10), far back on body, well behind anal fin; pectoral fin low on side; pelvic fins on the abdomen, distinctly behind tip of pectoral fin; fertilization internal, male sex organ is formed by first three anal fin rays; 50-96 lateral scales.
The genus, which is restricted to the Neotropical region, has three species. Two S American species penetrate the southern edge of our region.