A critically endangered neotenic salamander native to highland lakes of Mexico City, Ambystoma mexicanum.

• Retains larval traits and can regenerate limbs and tissues.

原产于墨西哥城高地湖泊的幼态成熟蝾螈，学名 Ambystoma mexicanum，极度濒危。

• 终生保留幼体特征，能再生肢体与组织。