swordtail
/ˈsɔːdteɪl/noun
1- a live-bearing freshwater fish of Central America, popular in aquaria. The lower edge of the tail is elongated and brightly marked in the male.剑尾鱼。
1.1
- Xiphophorus helleri, family Poeciliidae.拉丁名Xiphophorus helleri, 花鳉科。