African tetras (family Alestidae, formerly spelled Alestiidae) are a group of Characiformes fish exclusively found in Africa. This family contains about 18 genera and 119 species. Among the best known members are the Congo tetra, and African tigerfish.

African tetras (family Alestidae, formerly spelled Alestiidae) are a group of Characiformes fish exclusively found in Africa. This family contains about 18 genera and 119 species. Among the best known members are the Congo tetra, and African tigerfish.