The axolotl (Ambystoma mexicanum) is often called the “walking fish,” even though it’s not a fish at all — it’s a salamander. Unlike most amphibians, axolotls never fully transition from their aquatic ...

Axolotls can enjoy generous lifespans while in captivity, living 10 to 15 years in the proper conditions. This is a huge improvement from axolotls’ lifespan in the wild; in the face of pollution, ...