'Axolotl salamanders' belong to neotenic species which are extensively used in scientific research due to their ability to regenerate limbs. Majority of these salamanders are found in Lake Xochimilco, Mexico City. They are often called as 'Mexican walking fish', but they are not fishes.
How does Axolotl Salamander look like?
- They can grow up-to 12 inches in length.
- These type of Salamanders don't have teeth.
- Their eyes are lidless and the limbs are underdeveloped.
- Axolotl salamanders have external gills and their heads are usually broad.
- There are 3 pairs of external gills situated behind their heads which helps in the movement of oxygenated water.
Axolotl Salamander's diet
- It use both the eyes and sense of smell to detect prey.
- As they do not have teeth, they suck their prey with vacuum force into their stomach.
- These salamanders are carnivorous and eat small insects, worms and fishes.
Image credits : Steve
Why Axolotl Salamanders are used in Scientific studies?
The main reason for studying this species of Salamander is that they can regenerate limbs as well. But the most important fact intriguing researchers are that these salamanders float upside down!. The oxygen in their lungs make them float upside down. Even after having enough oxygen or air in their lungs, these axolotl salamander continue to breathe with gills. This make them unique and one of a kind. So, they are often used in scientific studies.
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