larval salamander of mountain lakes of Mexico that usually lives without metamorphosing 同义词:mud puppy, Ambystoma mexicanum,
The axolotl (; etymol. Nāhuatl āxōlōtl (singular) or āxōlōmeh (plural) "water monster") or Mexican salamander (Ambystoma mexicanum) is a neotenic salamander, closely related to the Tiger salamander.