前肛鳗（学名：Dysomma anguillare），为辐鳍鱼纲鳗鲡目糯鳗亚目通鳃鳗科的一个种。

本鱼分布于全球各大洋，包括西大西洋区：美国佛罗里达州、德克萨斯州至委内瑞拉；印度洋区：东非、南非、马达加斯加、印度西岸、太平洋区：日本、**、韩国、菲律宾、印尼、澳洲、新西兰等海域皆有其踪迹。

The Shortbelly eel (Dysomma anguillare, also known commonly as the Stout moray, the Mustard eel, and the Arrowtooth eel) is an eel in the family Synaphobranchidae (cutthroat eels). It was described by Keppel Harcourt Barnard in 1923. It is a marine, tropical eel which is known from the western Atlantic Ocean and Indo-Western Pacific, including the United States, Venezuela, South Africa, Zanzibar, and Japan. It dwells at a depth range of 30 to 270 metres (98 to 886 ft), and inhabits muddy sediments in coastal waters and large rivermouths. Males can reach a maximum total length of 52 centimetres (20 in).