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The '''Axolotl''' (also known as the Mexican Walking Fish) is an unusual [[neoteny|neotenous]] variety of [[salamander]]. Occurring naturally only in two lakes near [[Mexico City]] (one of which no longer exists), axolotls remain aquatic, with the form of a larval salamander, throughout their entire lifespan.

The '''Axolotl''' (also known as the Mexican Walking Fish) is an unusual [[neoteny|neotenous]] variety of [[salamander]]. Occurring naturally only in two lakes near [[Mexico City]] (one of which no longer exists), axolotls remain aquatic, with the form of a larval salamander, throughout their entire lifespan.

Injections of [[iodine]], stimulating its [[thyroid gland]], can stimulate the axolotl's [[metamorphosis]] into a adult form, which is similar, but not identical, to that of the tiger salamander.

Injections of [[iodine]], stimulating its [[thyroid gland]], can stimulate the axolotl's [[metamorphosis]] into an adult form, which is similar, but not identical, to that of the tiger salamander.

Axolotls are capable regenerating entire lost limbs if necessary, and sometimes develop extra appendages in the process. These interesting phenomena have made axolotls the subjects of intensive study, and they are also commonly kept as pets.

Axolotls are capable regenerating entire lost limbs if necessary, and sometimes develop extra appendages in the process. These interesting phenomena have made axolotls the subjects of intensive study, and they are also commonly kept as pets.