双指鬼鲉，俗名虎鱼、石狗公为辐鳍鱼纲鲉形目毒鲉科的其中一种。

本鱼分布于印度西太平洋区，包括台湾、瓦努阿图、日本、琉球群岛、中国东南部、泰国、印尼、澳洲北部等海域。

Inimicus didactylus, also known as Demon Stinger or Devil Stinger, is a member of the Inimicus genus of venomous fishes, closely related to the true stonefishes. It can reach a body length of 25 cm (10 in) and is irregularly surfaced with spines and a knobby appearance. The fish has venomous spines to ward off enemies. The fish are nocturnal, and often dig themselves partially into the sandy seabed during the day. The body is red or sandy yellow and well camouflaged on sandy and coral seabeds.