The Lake Afdera killifish (Aphaniops stiassnyae) is a species of fish in the family Aphaniidae.

[2] It is found in Lake Afdera in Ethiopia.

Stiassny, who studied African fish.

[5] The Lake Afdera killifish reaches a maximum length of 7.7 cm (3.0 in).

It has a sharply upturned lower jaw; it is also one of two species in its genus to possess conical teeth.