The long-standing International Union for Conservation of Nature includes the axolotl on its annual Red List of threatened species, while researchers say it could disappear in just five years.

• 但是，这些一尺长的蝾螈遭受了湖区居住者排污水和水质恶化的影响，科学家们正在极力挽救，使之逃脱灭绝的噩梦。