匙吻鲟(Polyodonspathula)隶属于鲟形目,匙吻鲟科,又名鸭嘴鲟。分布在美国中部和北部的大型河流及相关湖泊、水库和海湾沿岸地带。匙吻鲟是大型的淡水经济鱼类,适应性强,生长迅速,性情温顺,食物链短,是所有鲟中唯一以浮游动物为食的鱼类,饵料来源广泛,易养易捕。1鱼种培育1.1水 Polyodonspathula (Polyodonspathula) belongs to the order of sturgeon, Keystone sturgeon, also known as duck beak. Large rivers and associated lakes, reservoirs and Gulf Shores in the central and northern United States. Key sturgeon is a large freshwater economic fish, adaptable, rapid growth, gentle temperament, the food chain is short, all the sturgeon is the only zooplankton-eating fish, feed a wide range of sources, easy to keep easy to catch. 1 fish breeding 1.1 water