pupfish
/ˈpʌpfɪʃ/noun
(复同单, 或-fishes)
1- a small fish found in fresh or brackish water in the deserts of the south-western US and northern Mexico鳉。
1.1
- Genus Cyprinodon, family Cyprinodontidae: several species, some of which are confined to single pools.鳉属, 鳉科：数种, 有些种仅出现于孤立的水塘中。