Aapticheilichthys is a monotypic genus of killifish from the family Poeciliidae, the sole member being Aapticheilichthys websteri. A. websteri was found by the American fish breeder Kent Webster after which the species was named. The type locality was Akaka Camp on the western coastal plain of Gabon. A. websteri was collected from a river that was less than 10m wide on the night of the Asian tsunami, though it is not clear what effect of the tsunami may have had on the local ecosystem.

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