Giant salamander is an amphibian with a tail, belonging to the genus giant salamander of Crypturidae. It is large and flat, with a total length of 582 ~ 834 mm, a head length of 365,438+00 ~ 585 mm and a maximum individual length of more than 200 cm. The head is big, flat and wide, and the head length is slightly larger than the head width; The anus of male giant salamander is raised, oval, with large anal orifice and milky white particles on the inner wall; The anus of the female giant salamander has no uplift, the anal orifice is small, the periphery is sunken inward, the inner wall of the orifice is smooth, and there are no milky white particles.
Living habits:
Giant salamanders have poor eyesight and perceive external information mainly through smell and touch. They can also sense the vibration in the water through warts on their skin, and then catch fish, shrimp and insects in the water. Chinese giant salamander is at the top of the food chain in its ecosystem and is an important part of the biological chain.
The food sources of Chinese giant salamander in different waters are slightly different. They eat a lot and mainly prey on fish, crustaceans, amphibians and small arthropods in the water. In addition, a small amount of plant components were also found in the stomach of giant salamander. There are white turtles, broad-lipped fish, rays and other fish living in the habitat of giant salamanders in the Yangtze River valley, which provide a wide range of prey for giant salamanders.
Refer to the above content: Baidu Encyclopedia-Giant Panda Fish