The giant salamander breathes with its gills when it is young, and breathes with its lungs when it grows up. Giant salamanders live in mountain streams and caves with clear water quality, low sediment concentration, rapid water flow and backwater.
The life span of giant salamander is also the longest among amphibians, and it can live for 130 years under the condition of artificial feeding.
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The giant salamander has a unique living environment. Generally, they live in mountain streams, rivers and lakes with fast-flowing water, cool water quality, lush aquatic plants, and many cracks and caves. Sometimes they move on tree roots or lodging trunks on the shore, and choose to live in caves at the beach mouth with backflow. Food includes fish, frogs, crabs, snakes, shrimps, earthworms and aquatic insects.
The earliest fossil in the world was unearthed in Inner Mongolia, China, about 654.38+65 million years ago. 1988 "People's Republic of China (PRC) wildlife protection law" lists it as a national second-class protected wild animal in China, which is one of the national treasures of China.
Xinhua News Agency, Washington, 2065438+May 2, 20081:Researchers from Kunming Institute of Zoology, Chinese Academy of Sciences and other institutions found that the endangered Chinese giant salamander, commonly known as the "giant salamander", is not a species, and there may be 5-8 species.