Any of various primitive,eel-shaped marine fishes of the family Myxinidae,having a jawless sucking mouth equipped with rasping teeth with which they bore into and feed on other fishes.

• 盲鳗，一种盲鳗科的原始的鳗形海洋鱼种。有一个无颌的吸嘴，嘴里有锉齿，盲鳗用这种牙齿能刺入其它鱼类的身体并以它们为食。