Atherina alaotrensis Pellegrin, 1914 The katrana (Rheocles alaotrensis) is a species of fish in the Bedotiidae family.

It is endemic to the basin of Lake Alaotra in Madagascar.

Its natural habitats are rivers and freshwater lakes.

[1] This species was described by Jacques Pellegrin as Atherina alaotrensis with the type locality of Lake Aloatra.

This Atheriniformes article is a stub.