The river groupers are not catfish. Clean, the river group fish for the top of the fish. Because the river group of fish and catfish some similar. But there are still differences such as:?

1. catfish tail is rounded fan-shaped, catfish tail and ordinary fish is forked;?

2. catfish head will be significantly larger than the catfish head, and flat, the general head is larger than the body;? Earth catfish this name, in biological taxonomy, belongs to the spoke fin fish network neofin fish sub-network catfish catfish, scientific name Silurus asotus, commonly known as earth catfish, catfish barangay. The body shape of the front thick round, tail side flat, head wide flat. Kiss short and wide round. Two pairs of nostrils, large mouth cleft, slightly protruding lower jaw.

The river groupers are produced in the Pingqiang Three Gorges Fish Nest, scientifically known as the long-nosed abalone, with a fleshy snout in front and a mouth under the head, without hard spines. Fear of light, prefer to live in deep rocky caves, to aquatic insects, small mixed fish, lava for food. The territory of the river groupers belong to the country's only pink category, white and red, higher than other rivers produced by the cowhide river groupers. The meat is tender and flavorful, fat but not greasy.

Baidu Encyclopedia - River Doughnut