Axolotls are notoriously resistant to cancers, "never get infections after an injury," he says and can live for 20 years, which may be another factor in their appeal to the commercial pet market.

An axolotl’s gills can change colors throughout the day based on their activity levels. An increased blood flow often results in more colorful gills. When an axolotl is inactive, their gills are ...

A museum and conservation centre dedicated to Mexico’s critically endangered axolotl salamander is highlighting ... muscles, bones, blood vessels, nerves, heart, brain,” said Fernando Gual ...