The red-bellied sandpiper is an animal of the genus red-bellied sandpiper. There are 3 species of genus * *, of which 2 species (Eriocheir sinensis and Eriocheir sinensis) live in New Guinea and Eriocheir sinensis lives in Asia. Giant salamander is the largest kind of turtle. The snout is very short, less than half the diameter of the eye; The tail end is outside the skirt. It is about 600 mm long.

The head is quite small; The snout is round and short, less than1/2 of the eye diameter; The nose is located in the snout; Small eyes; The head and back are broad, flat and smooth. The back is flat and wide, and there is an Oracle bone on the back. The leading edge is flat, the trailing edge is slightly concave, covered with concave markings, and the worm-like shape of the side edge is quite clear. The marginal bone plate is still thick.

There are 8 laminae, the first four are hexagonal, the fifth one is oval or nearly rectangular, the back three short sides face forward, and only the eighth one is small pentagon. The tips of the inner webs are at acute angles or intersect. The head is smooth and the neck has no warts; The back is covered with wart particles; Ridges and ribs are convex and uneven. The back of the body is olive with yellow and white spots on it; The abdomen is white.

Catfish mainly inhabit inland slow-moving freshwater rivers and streams. Some evidence shows that it also lives in coastal areas. I don't move much. I like living underwater. Hide in the water during the day, often surface to breathe, and feed in the shallows at night. Like to live in groups and have a long life. In midsummer, I like to go ashore to enjoy the cool; Hibernate underwater in winter.

The biggest instinct of catfish is to breathe not only with lungs, but also with skin; You can even take oxygen through your throat and live in water for a long time. Catfish is an ambush predator, carnivorous and mainly feeds on crustaceans, mollusks and fish (although some also eat aquatic plants).

India (East and South), Bangladesh, Myanmar, Thailand, Malaysia, Laos, Cambodia, Viet Nam, China (East and South), Singapore (extinct), Philippines (Luzon and Mindanao) and Indonesia (Kalimantan, Java and Sumatra).