Giant salamander, also known as giant salamander, is an amphibian, so it is named because it cries like a baby crying and has five fingers on its limbs, like a baby's palm. The giant salamander is the largest amphibian in the world and belongs to the national second-class protected species. Giant salamanders are distributed in Shanxi, Shaanxi, Henan and other places in China. Inhabits in a stream with a wide mountain area, slow water flow and many pebbles.
Most of the adult giant salamanders live alone, and the young giant salamanders often cluster in the rocky crevices. The giant salamander has a wide range of feeding habits, and is a carnivorous animal. It often feeds on fish, shrimp, crabs and frogs in streams, and also preys on snails, water snakes, rodents and aquatic insects.
The giant salamander is an oviparous animal, and its breeding period is May 5- 10/October every year. The fertilization process is completed in water, and most of the eggs are laid at night, and 400- 1500 eggs can be laid at a time. Hatching ends after 30-40 days. The life span of giant salamander is 50-60 years.
Life habits of giant salamander:
Giant salamanders often lie in caves during the day and rarely go out for activities. In summer and autumn, they also have the habit of going ashore for food or sunbathing during the day. Giant salamanders usually go out at night and return in the morning, and live in a cave. Predation is mainly carried out at night, often waiting among the rocks at the mouth of the beach. When hunting animals pass by, they suddenly open their mouths to prey.
The giant salamander is suitable to inhabit the water with the water temperature of 3 ~ 23℃. Most large individuals live in deep water, and most small and medium-sized individuals live in shallow water. Most of the adult giant salamanders are solitary, and the young giant salamanders are often clustered in rocky crevices, and the optimum water temperature for their life is10 ~ 20℃.
The giant salamander often puts its head into the water to breathe, and its skin is also an important organ for gas exchange. In the water with high oxygen content, the giant salamander can lie on the bottom of the water for a long time without coming out to breathe. In the case of artificial feeding, put your nostrils out of the water every 6 ~ 30 minutes to breathe, and inhale for about a few seconds to several 10 seconds.
Small teeth are sharp and dense, and the masseter muscles are developed. Once the prey is bitten, it is difficult to escape. But they can't chew, they just swallow their prey. A body with a smooth surface and full of mucus will give off a strange smell when it is in danger, which will make the enemy retreat when he knows it.