Different places have different names for miscellaneous fish. In the past, when there were many fish resources, almost no one ate this kind of fish, but now the price is surprisingly high.

Cynoglossus crassus (Gü nther, 1873) is a fish belonging to Cynoglossus. Commonly known as: pedal fish, sole fish, tongue, beef tongue, sole fish, Longli, bald sea, fine scale, Tahiti fish, dog tongue, sole fish, sole fish, toothed fork fish, left-handed fish and plate fish. The body is flat and tongue-shaped, generally 25 ~ 40 cm long and weighs 500 ~ 1500 g.

The head is short, the eyes are small, both eyes are on the left side of the head, the mouth is low, and the snout bends downward and backward into an arch, which is symmetrical left and right. Large scales, one eye covered by a comb, light brown, with two lateral lines.

According to the classification rules of left flounder and right flounder, crow is a kind of flounder, and it is wrong to say that crow is an alias of flounder. The scientific name of squid in Youpin Wharf is Greenland flounder.