Axolotl

Axolotl

The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.

Biology

Keywords

axolotl, amphibian, amphibians, endangered species, Caudata, Aztec, Mexico, neoteny, regeneration, wild animal, aquatic lifestyle, gill, predator, aquatic habitat, lung, water pollution, animal, vertebrates, biology, living organism

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The animal has several pairs of gills, which give it a highly distinctive appearance. The adult axolotl also has them and only loses them if its habitat dries out. In this case, its gills disappear and the animal starts breathing with its lungs.

In the wild, the skin of the axolotl is gray or brown with dark spots.

Narration

The axolotl is an amphibian belonging to the group Caudata (or tailed amphibians).
According to the most widely accepted explanation, the name is related to Xlolotl, a god in Aztec mythology.
Native to Mexico, the axolotl originally inhabited the lakes, canals and wetlands south of Mexico City. Sadly, they are critically endangered in the wild, and their population is continuously decreasing due to the introduction of invasive species to their habitat, the spreading city and pollution. By today, axolotls are found almost exclusively in captivity.

The animal has several pairs of gills, which give it a highly distinctive appearance. The adult axolotl also has them and only loses them if its habitat dries out. In this case, its gills disappear and the animal starts breathing with its lungs.

In the wild, the skin of the axolotl is gray or brown with dark spots.

The development of the axolotl is different from that of other amphibians. They retain their larval characteristics even after reaching sexual maturity, including the aquatic lifestyle and their gills. This phenomenon is called neoteny.

The reason for this lack of metamorphosis, which is characteristic of other amphibians, is that the axolotl's thyroid does not secrete the hormones necessary for a complete metamorphosis.

It is not only the development of the axolotl that is exceptional, but also its ability to regenerate.
The animal retains its capacity to regenerate, or completely regrow its legs, tail and several internal organs throughout its lifetime.

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