The Ruaha lampeye (Aplocheilichthys "omoculatus") is a species of poeciliid endemic to Tanzania where it is only known to occur at its type locality in the Great Ruaha River drainage.
The Ruaha lampeye ("Lacustricola omoculatus") is a species of poeciliid fish. It is endemic to Tanzania where it is only known to occur at its type locality in the Great Ruaha River drainage.