Because the opium fish body is rich in nutrients, it is made into fish fillets and exported to other countries. ?

The opium fish belongs to the bony fish class, the family Flounder, and is a type of flatfish. The body of the opium fish is flat and asymmetrical, with both eyes on the left side; the mouth is in front of the mouth, and the lower jaw is protruding; the edge of the front operculum is free; the skin on the side with eyes is dark gray or has patches, and the side without eyes The skin is white.

Characteristics:

The fish body is very long, slightly flattened on the sides, and round in the abdomen. The front half of the head is slender and slightly tubular, and the snout is flat like a duckbill. In the supraoral position, the mandible is tilted upward and is longer than the maxilla, and the end of the maxilla reaches below the edge of the eye.

The eyes are medium-sized, close to the tip of the snout, protruding to both sides, the cheeks are very wide, and the length of the head behind the eyes is 2 to 2.5 times the length of the snout. Hypopharyngeal teeth 1 row, slender. ?The scales are small, and the lateral line is slightly curved toward the ventral surface; the lateral line scales are 140-170. Dorsal fin III8, without spines, originating behind the pelvic fin. Anal fin III9-11.