Any of several ganoid fishes of the family Lepisosteidae of fresh and brackish waters of North and Central America,having long narrow jaws,an elongated body,and a long snout.

• 雀鳝，一种生长在北美洲和中美洲淡水或咸水中的雀鳝科硬鳞鱼，具有狭长的颚、伸长的身体和长鼻口部。