The pincer fish has fewer spines.

The pincer fish (qiányú), belongs to the catfish family. Its official state of origin is the states of Missouri, Iowa, Nebraska, Kansas and Tennessee in the United States, and its common name is "channel cat". In the United States, 8 million people catch it each year, making it one of the most popular catches and one of the most famous in the aquaculture industry.

It is also known as spotted fork-tailed catfish, with thick meat without thorns, smooth skin and tender meat, fat and delicious 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 suspend its freshness, eat the pincer fish fresh and tender, don't have a taste.

Characteristics:

The pincer fish has a longer body, wider in the front than in the back of the body, a smaller head, a slightly pointed muzzle, a subterminal position of the mouth, a smooth and scale-free body surface, rich in mucus, a complete lateral line, and obvious lateral line holes in the skin. The upper and lower jaws of the head have 4 pairs of dark gray tentacles, including 1 pair of snout whiskers, 1 pair of jaw whiskers, and 2 pairs of chin whiskers, which vary in length, with the jaw whiskers being the longest and ending beyond the base of the pectoral fins, and the snout whiskers being the shortest.

The gill holes are large, the gill membranes are not attached to the isthmus, and there are obvious and irregular spots on the chin, which disappear in individuals weighing more than 0.5 kilograms. It has one adipose fin, the caudal fin is y forked, and all fins are dark gray. Both sides of the body dorsal light gray, the abdomen cream, juvenile fish body sides have obvious and irregular spots, adult fish spots gradually inconspicuous or disappeared.