稀棘鳚（学名：Meiacanthus atrodorsalis），又名金鳍稀棘鳚、狗鲦，为鳚科稀棘鳚属下的一个种。

Meiacanthus atrodorsalis, the Forktail blenny, is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species grows to a length of 11 centimetres (4.3 in) TL. This venomous species can also be found in the aquarium trade. It is also known as the Eyelash harptail-blenny, Poison-fang blenny or the Yellowtail poison-fang blenny.