lancetfish
/ˈlɑːnsɪtfɪʃ/noun
(复同单, 或-fishes)
1- a long slender predatory fish with a large sail-like dorsal fin, living in the deeper waters of open oceans帆蜥鱼, 刺尾鱼。
1.1
- Family Alepisauridae and genus Alepisaurus: two or three species.帆蜥鱼科：帆蜥鱼属：2或3种。