1, burning clip is not a kind of crab, burning clip is seawater crab head small, big clip no hair; river crab, short thick and heavy body, back shell color dark, more black or iron blue. Abdomen white (paddy field crabs have scratches), short legs, chelicerae hairy, as if wearing black hairy gloves.

2. The burnt folder is one of the four sacred beasts rumored by the people of Yingkou, and the burnt folder is like a scaled-down version of the river crab, but it is more than the river crab drum stay.