Both eyes of the flounder are on the same side of the head. The flounder with both eyes on the left side is called flounder, and the flounder with both eyes on the right side is called sole. Scophthalmus maximus is a kind of flounder, which originated in the northern Atlantic Ocean of European countries such as Britain and France, and is commonly known as "European flounder". In China, it is also known as "turbot". The flounder is a strange fish with two eyes on one side. It is a large class of marine fish, including flounder, sole and sole. Paralichthys olivaceus, PARALICHTHYS olivaceus and PARALICHTHYS olivaceus are common in the family PARALICHTHYS olivaceus. The common flounder families are "high-eyed flounder", "stone flounder", "wood leaf flounder" and "oil flounder"; "Cynoglossus" is common in the family Cynoglossus.

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