Ghost Squid, Inimicus japonicus, common name sea scorpion, tigerfish. Distributed in tropical and warm temperate zones in the western North Pacific. China is made in South China Sea, East China Sea, Yellow Sea and Bohai Sea. The ghost fish belongs to warm-temperate bottom fish. The body color varies with the depth, and it is dark brown in the nearshore shallow water; It is red or yellow in deep waters off the sea. The body length can reach 2 mm. Laying eggs in early summer. Floatability of ghost fish eggs. Because the end of the fin spine has swollen cystic toxic gland tissue, it is highly toxic and has severe pain after being stabbed, sometimes lasting for several days, so it has the names of "sea scorpion" and "tiger fish". China and Fujian coastal areas will cook this fish in soup to treat children's furuncle. Meat is edible.