Fisherman mink is a member of the mink family, and its body shape is similar to that of a domestic cat. Short legs and slim figure. The face, neck and shoulders are silver or light brown, and the legs and hips are black compared with the tail. It is the specialized natural enemy of porcupine. This kind of animal runs fast, moves fast and has great strength. It can attack the unprotected abdomen of porcupines with quick action, killing porcupines that ordinary predators can't reach.