The pike, generally referred to as the pincer fish is a major catfish species in North America. Its official 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 every year, it is one of the most favorite objects to be caught, and it is 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 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.

The pike, also known as the sea wolf fish, the English name Barracuda, that is, the pike or pike, the world's known sea wolves about twenty-six species, long and narrow body shape, can be up to 1.8 meters long. Because of its mouth jaw wide, with a long

such as the wolf's teeth as prominent as the sharp teeth, the local people also called it the sea wolf fish. There are about 25 species of barracuda known in the world, mainly distributed in tropical and subtropical waters, more often found near coral reefs and reefs. The body is fusiform, elongated, with a short and broad head and large scales. Lipid eyelids are poorly developed, covering only the margins of the eyes. Body covered with rounded scales. The dorsal side is greenish gray, the ventral side is light gray, and the scales on both sides have black vertical lines. It is an offshore fish, preferring to live in estuaries and bays, but also entering freshwater. Sex lively, good jumping, in the countercurrent often in groups of anadromous swimming, eating the organic matter in the mud underwater. Larger, China produced in the South China Sea, East China Sea, Yellow Sea and Bohai Sea.