It should be pincer fish, and the market price is around 20 dollars.

The pincer fish (qiányú), is a major catfish species in North America. The official origin of the United States of Missouri, Iowa, Nebraska, Kansas and Tennessee, commonly known as "pincer cat (channel cat)". In the United States, 8 million people a year to catch, is one of the favorite object to be caught, and in the aquaculture industry is the most famous. Also known as spotted fork-tailed catfish, with thick meat without thorns, smooth skin and tender meat, fat and tasty characteristics. The nutritional value of the pincer fish is very high, with a large fresh, complementary features, usually used to make boiled dishes, especially suitable for stewing with squash to hang out its freshness, eat pincer fish fresh and tender, don't have a taste.