The artificial breeding of the Chinese giant salamander, is the Chinese giant salamander an amphibia

Giant salamanders are amphibians.

The giant salamander is an animal in the genus Amphibian, which includes different species and genera. Since giant salamanders are animals in the class Amphibian, they belong to the amphibian group from the category point of view. Moreover, giant salamanders are a typical amphibian, and as amphibians, they also meet many characteristics of amphibians.

Amphibian larvae generally live in water, and most of them live on land when they reach adulthood. The same is true of giant salamanders, when they are in their juvenile stage, they live in the water; And when they reach adulthood, they can live on land.

However, the respiratory organs they use are different in these two stages, with the gills in the larval stage and the lungs in the adult stage. Amphibians can generally secrete mucus and can play a role in assisting the lungs to breathe, and the same is true for giant salamanders. In addition, from the perspective of body temperature changes, giant salamanders, like other amphibians, are also thermosophytes.

Habits

Adult salamanders generally inhabit the caves and stone caves in the deep pools of rivers below 1000 meters above sea level, and are more common in the caves above and below the beach mouth. The depth of the cave varies, and the inside of the cave is spacious and flat. During the day, they often lie in the cave and rarely go out, and in summer and autumn, they also have the habit of going ashore to forage for food or bask in the sun during the day.

Giant salamanders generally come out at night and return in the morning, and often live in a cave. Predation is mainly carried out at night, and they often wait to return early among the rocks at the beach, and suddenly open their mouths to hunt when they find huntable animals passing by. Giant salamanders are suitable for inhabiting water with a water temperature of 3 23, and large individuals mostly live in deep water, and small and medium-sized individuals mostly live in shallow water.

Adult salamanders are mostly monophytic, and juvenile salamanders often flock in rocky crevices, and the optimal water temperature for their life is 10 20. The giant salamander often stretches its head to the surface of the water to breathe, and it is also an important organ for gas exchange, and in water with high oxygen content, the giant salamander can lie on the bottom of the water for a long time without surfacing to breathe. In captivity, breathe every 6 30 minutes with your nostrils out of the water and inhale for about a few seconds to 10 seconds.

Chinese giant salamander. It is a national second-class protected animal in China.

It is a national treasure of China. According to statistics, 60,000 giant salamanders are released into the wild every year, and the number of giant salamanders in the wild is expected to reach about 100,000.

Chinese salamander. Paramesotriton: 1 genus of the salamanderidae family.

Body length 100 155 mm. The head is flattened, and the vomer is dentition-shaped. The trunk is cylindrical, and the limbs are thin and long.

Tail flattened. **Rough. There are glandular ridges on the cephalad side, mid-ridges on the dorsal side, and the dorsal scrofula is evenly dispersed, slightly larger and conspicuous along the sides of the body.

The ventral surface is marked with orange-red spots. There are three species in China: the Chinese newt, which is mainly distributed in Anhui, Zhejiang, Fujian, Guangdong and Guangxi; The tail spotted newt is distributed in the eastern part of Guizhou, and the Guangxi newt is distributed in the Guangxi Zhuang Autonomous Region.

This genus inhabits and near the backwaters of mountain rapids with dense vegetation and humid environments. It is often hidden under the rocks in the stream or in the weeds next to the stream, as well as in the damp soil holes and stone crevices covered by rotting leaves. It feeds on a variety of insects such as adults of Coleoptera and larvae of Lepidoptera.

Identification features The total length is 83 155 mm, and the tail is shorter than the head and body length. The back is uniform corner black; The ventral surface is light brown with dark spots. The head is longer than the width of the head, and the snout is rounded; dorsal lateral position of the eyes, round pupils; The nostrils are slightly close to the snout, and the nasal distance is slightly greater than or equal to the eye distance; without labial folds, with throat folds; Vomer dentition presents"v"shaped, the angle of intersection of the inner and outer branches slightly extends beyond the anterior margin of the inner nostrils, and the inner branches are close but not connected at the posterior end.

The trunk is stubby and slightly cylindrical, and the lateral costal sulcus is 10 12. The limbs are long, the fingers meet when the body is facing each other, the four fingers and five toes, relatively flattened, free and webbed, and the palmoplantar fingers and toes are not. The base of the tail is slightly rounded, posteriorly flattened, and the end is blade-shaped.

Habits Inhabit hills or low mountains. In the non-breeding season, they live on land, usually hiding under damp loose soil, decaying leaves or stones, and can often be dug out from under cultivated land or rotting branches and leaves. Go to the surface on rainy days or in the evening to feed on earthworms, insects or other arthropods and their larvae.

Spawning begins at the end of November to mid-February in Xiaoshan, Zhejiang, and begins in early January in Yiwu, Zhejiang, and can continue until January. The eggs are laid in a small pond with a depth of several centimeters and many weeds, the egg capsule is 150 170 mm long, the middle diameter is 23 27 mm, the paired egg capsules are adhered to the aquatic plants or underwater stones with the stalk at the base end, each egg capsule contains 33 66 eggs, and the egg diameter is mm. The incubation period is about 40 days, and the larvae eat each other.

The first thing that must be noted in complete water is that you cannot use tap water directly.

Tap water should be dried for at least 1 day Mineral water can also be kept clean The water quality must be kept clean If you are too lazy to change the water, press a filter Food likes live food Bloodworms, snakes, earthworms and the like It is best to take shelter on land Let them have a sense of security.

There are also some in my hometown that I can't raise when I take them home.

Summary. Hello dear, in the wild, giant salamanders generally have a low reproductive success rate. According to incomplete statistics, the reproductive success rate of giant salamanders in the wild environment is 5%!

Around. And under artificial breeding conditions, the reproductive success rate of giant salamanders can be increased to 50%!to (missing).

For example, data released by the National Forestry and Grassland Administration in 2019 showed that in the artificial breeding of giant salamanders in Zhangjiajie City, Hunan Province, the reproductive success rate was as high as 80%!Above. It is important to note that the giant salamander is a slow-growing animal with a long reproductive cycle, generally taking 3-5 years to reach sexual maturity.

Therefore, the breeding of giant salamanders requires long-term patience and commitment. Hope it helps.

Can you tell us more about that?

Hello dear, in the wild, giant salamanders generally have a low reproductive success rate. According to incomplete statistics, the reproductive success rate of giant salamanders in the wild environment is 5%!Left and right are missing.

And under artificial breeding conditions, the reproductive success rate of giant salamanders can be increased to 50%!to (missing). For example, data released by the National Forestry and Grassland Administration in 2019 showed that in the artificial breeding of giant salamanders in Zhangjiajie City, Hunan Province, the breeding success rate was as high as 80%!

Above. It is important to note that the giant salamander is the first slow-growing animal to have a long reproductive cycle, generally taking 3-5 years to reach sexual maturity. Therefore, the breeding of giant salamanders requires long-term patience and commitment.

Hope it helps.

Scientists speculate that the Chinese giant salamander may include 8 species, and the research value of the Jiangxi giant salamander is as follows.

A team led by Che Jing, a researcher at the Institute of Zoology of the Chinese Academy of Sciences in Kunming, collected thousands of samples of the Chinese giant salamander, and through genome analysis, it was unexpectedly discovered that the Chinese giant salamander was not a species.

According to the survey, there are at least five species of giant salamanders in China. At the same time, the team also found two special branches on the Tibetan Plateau, and eight different species can be inferred based on the distribution of Chinese giant salamanders in an area at an altitude of 4,200 meters.

The Chinese giant salamander has long been regarded as one type with no significant differences in its external characteristics, and the current conservation measures taken by China are also based on the idea that the Chinese giant salamander is a type, and does not distinguish between different populations.

In order to better understand the wild distribution area and survival history of the giant salamander in Jiangxi, so that it can be scientifically and effectively protected, Che Jing and others jointly carried out two years of monitoring with Dai Nianhua of the Jiangxi Academy of Sciences and other scientific researchers and the reserve, not only found the food of the newly hatched salamander, but also found the wild breeding cave, which is also the focus of ecological environmental protection in the future.

According to the survey results, the Jiangxi giant salamander is an isolated individual, and the population may face difficulties such as small numbers, relative isolation, and habitat changes, and it is urgent to formulate a conservation action plan and carry out rescue protection.

In addition, through comprehensive investigation and comparative analysis, it is pointed out that nature reserves that can cover mountain and water ecosystems will be more conducive to the protection of wild giant salamanders compared with ecological reserves that are generally bounded by water surface. The sudden discovery of a cryptobious species in such a large amphibian of much concern is shocking, and it is of great importance for the conservation of giant salamanders in China.

In addition, scientists also said that the discovery of multiple cryptospecies of giant salamanders provides new scientific support for future giant salamander conservation.

I can study the development of species in our country, I can study endemic species, I can study the structure of the heart, I can study the characteristics of crawling, and I can study the economic value.

You can study the diversity of materials, and you can also speculate on the appearance of ancient creatures, so that you can better protect the ecological environment.

It's better to be poor and keep it for a longer time.

The Chinese salamander (scientific name: Hynobius chinensis) is 100 mm to 150 mm long, with four legs, a large and flat head, and a blade-like tail with pale yellow and black dots. It belongs to the amphibian class and has a tail order, a small salamander family, and a small salamander genus.

It breathes by exchanging air between the lungs and moist **, and does not dare to go too far from the water source when leaving the water surface and inhabits on land, feeding on moss or arthropod larvae.