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Welcome to Sal-Site

Sal-Site provides information to support research and educational efforts that use salamanders, and in particular the Mexican axolotl. It also highlights some of the amazing characteristics of salamanders, that endear them to scientists and naturalists around the world.


About Salamanders ...

The axolotl ( Ambystoma mexicanum ) is a large salamander native to Lake Xochimilco, Mexico. It belongs to the group of salamanders known as mole salamanders. Other members of this group include the axolotl's close relative, the tiger salamander ( Ambystoma tigrinum ), and the spotted salamander ( Ambystoma maculatum ).



Sal-Site is funded by the National Center of Research Resources at the National Institutes of Health. The Ambystoma Genetic Stock Center is funded by the Division of Biological Infrastucture at the National Science Foundation.

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Fun Facts

How long do axolotls and other salamanders live?

Salamanders have life spans varying by species. They live from 3 to 55 years. The axolotl’s life span is on the shorter side of this range.

Latest Research

Origin of avian and amphibian chromosomes by fusion, fission, and retention of ancestral chromosomes

Codon Usage Table for Ambystoma Mexicanum generated from 300K codons is now available

Identification of Differentially Expressed Thyroid Hormone Responsive Genes from Brain of the Mexican Axolotl
Axolotl Nanog activity in mouse embryonic stem cells demonstrates that ground state pluripotency is conserved from urodele amphibians to mammals