According to Dr. Yurai's query, the blackened paste inside the pike can't be eaten because it may be the crab's stomach, which is located in the middle of the crab's yolk and carries a large number of bacteria and other microorganisms, which, if eaten directly, can invade the human body and may lead to physical discomfort.

The pike crab is a traditional marine treasures, in biological classification belongs to the phylum Arthropoda, Mollusca, decapoda, pike crab family, pike crab genus crustaceans collectively, due to the cephalothorax is pike shaped and named.