Salamander is a kind of amphibian. It is one of the largest amphibians. The salamander can grow up to 0.75-2 meters, and its weight is generally between 20-25 kilograms.

In addition, salamanders are also divided into many varieties, and the body shapes of different varieties of salamanders are also different. Some varieties are affected by genes and their body size is relatively large, and the length can reach more than 1.8 meters. Some species are small, generally no more than 1 meter.