Axolotls are mysterious aquatic creatures native to Mexico. They are amphibious salamanders that spend their entire lives in the water, and have a unique ability to regenerate lost limbs and organs. Axolotls have a distinct appearance, with long, feathery
From Wikipedia
The axolotl is a species of mole salamander. It is neotenic, reaching sexual maturity without undergoing metamorphosis, and the adults remain fully aquatic with obvious external gills. Axolotls may be difficult to distinguish from the larval stage of other neotenic adult mole salamanders, in particular the tiger salamander, or other species such as mudpuppies.