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【Popular Science】Hexagonal dinosaur - Mexican blunt salamander

author:History of the layman

Hexagonal dinosaur - Mexican salamander

The Mexican blunt-mouthed newt (Axolotl), also known as the axolotl, commonly known as the hexagonal dinosaur, is an aquatic amphibian and is endemic to Mexico. They can only live in silted waterways and lakes. The Mexican axolotl is known for its unique appearance and sexual maturity of its juveniles. In this article, we will introduce the living habits, morphological characteristics, protection levels, genetic characteristics and population distribution of the Mexican blunt salamander from the perspective of science.

【Popular Science】Hexagonal dinosaur - Mexican blunt salamander

1. Life habits

The Mexican axolotl is an aquatic animal that can live in waterways and lakes and feeds mainly on small invertebrates and fish. Their habits are very special, and even after sexual maturity, they do not undergo changes to adapt to the land, and still maintain their aquatic body shape. Mexican axolotls have a very strong regenerative ability, and if their body is damaged, they can regrow organs such as head, limbs and tail and fully recover within a few weeks. This powerful regenerative ability makes them one of the model organisms for the study of regenerative medicine.

Second, morphological characteristics

The Mexican axolotl is an aquatic animal about 25 cm long, and they have many special characteristics. First, their bodies are red, brown, or black, a bit like a snake. Secondly, their heads have a triangular shape, which is their signature feature. In addition, they have four legs, similar to lizards, but more flexible than lizards. When moving through the water, they can maintain balance by wagging their tails. Mexican axolotls have very well-developed gill slits, which allow them to breathe in water. After sexual maturity, the male's head grows some unique features such as bulges, protrusions, and spines.

【Popular Science】Hexagonal dinosaur - Mexican blunt salamander

3. Level of protection

The Mexican axolotl is a critically endangered species and is listed on the IUCN Red List. Their natural habitat covers no more than 10 square kilometres and are already under great threat. Mexican axolotl populations have declined dramatically due to overfishing, habitat destruction and the introduction of other species. The Mexican government has taken a series of measures, such as banning the fishing and sale of the Mexican salamander, to protect this precious species. In addition, scientists are also working to study how to protect the species, for example by editing their genes to make them more resilient to changes in the environment.

Fourth, genetic characteristics

Mexican axolotls are a very special animal that has some unique genetic signatures. Their genomes are very large, more than 10 times larger than the human genome. In addition, they have a very powerful regenerative ability, which is related to their genes. Scientists have begun studying the genes of the Mexican axolotl and hope to find some shedding light from it to help humans better understand the mechanisms of regeneration.

【Popular Science】Hexagonal dinosaur - Mexican blunt salamander

5. Population distribution

The Mexican axolotl is an endemic species found only in Mexico. They live in lakes and waterways near Mexico City. In the wild, Mexican axolotl populations have declined dramatically, but in places like North America, they are kept as pets. Because they are so reproductive, some even release them into the wild, posing a greater threat to the survival of the Mexican axolotl.

In short, the Mexican axolotl is a very special animal, and they have unique biological characteristics, including regenerative ability, morphological characteristics and genome. Due to the destruction of their habitat, the Mexican axolotl has become a very precious and vulnerable species, and more needs to be done to protect them.

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