褐长孔锦鳚（学名：Bothrocara brunneum），又名绵鳚，为绵鳚科长孔绵鳚属下的一个种。

Bothrocara brunneum, the twoline eelpout, is a benthic species of fish of the Zoarcidae family. The species is the only fish of the eelpouts to have two lateral lines and short blunt-ended gill rakers. The species is found between the Bering Sea to the shores of San Francisco, and also Baja California Peninsula and Attu Island.