axolotl
noun [ C ] uk/ˈæk.sə.lɒt.əl/ us/ˈæk.sə.lɑː.t̬əl/
美西螈
a small animal that lives in water and looks like a fish with four legs. An axolotl is a type of amphibian (= an animal that usually lives both on land and in water) but it only lives in water.