sterlet
/ˈstɜːlɪt/noun
1- a small sturgeon of the Danube basin and Caspian Sea area, farmed and commercially fished for its flesh and caviar（多瑙河盆地和里海的）小体鲟。
1.1
- Acipenser ruthenus, family Acipenseridae.拉丁名Acipenser ruthenus, 鲟科。
词源
late 16th cent.: from Russian sterlyadp.