Giant salamander has short limbs, slightly longer hind limbs and flat fingers and toes; When the front and rear limbs are attached to each other, the distance between fingers and toes is about 6 costal grooves; There are skin folds at the rear edge of the limb, which are connected with the toe membrane of the outer finger; It refers to four, and the long sequence is 2, 1, 3, 4.

There are five toes, and the order of toe length is 3, 4, 2, 5,1; There is a membrane on the outer side of the fourth finger and the third, fourth and fifth toes; It is extremely wide and flat; The webbed feet are underdeveloped, only slightly webbed feet.

Larvae forelimb buds are rod-shaped and begin to differentiate with fingers, hind limbs are short rod-shaped and the tip is spherical; About 14 days, the body is dark brown, but the ventral surface is still yellowish brown, the forelimbs have differentiated into four fingers, and the hind limbs begin to diverge.

Main value

1, pharmaceutical economy

Giant salamander has great economic value. People will catch giant salamander and eat it to strengthen their physique, which can effectively prevent anemia, menstrual disorders and other diseases. The skin of giant salamander is thick and tough, which can be used for tanning. It can also be made into medicine for treating burn.

2. Scientific research

The giant salamander is the primitive species of amphibians, which has certain value in studying animal evolution and other scientific research and teaching. It is kept as an ornamental animal in the zoo.

Eat something

As early as thousands of years ago, China mentioned the giant salamander in Shan Hai Jing, which is an ancient beast in Shan Hai Jing. Now it flies into the homes of ordinary people and becomes a delicacy on the table of many people. The giant salamander is tender and has the taste of mountain pepper, so it is also called "big mountain pepper fish".

Refer to the above content: Baidu Encyclopedia-Giant Panda Fish