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匙吻鲟(Polyodon spathula)又称匙吻白鲟、鸭嘴鲟,属鲟形目、匙吻鲟科,是原产于美国密西西比河和密苏里河流域的一种古老的大型淡水经济鱼类。其适应性强、生长迅速,以摄食浮游动物为主。匙吻鲟的卵、肉具有极高的食用价值和经济价值,独特的长吻体型又使其具有较高的观赏性。上世纪60年代匙吻鲟人工繁殖的成功使得匙吻鲟的人工养殖成为可能。我国南方省份于上世纪80
Polyodon spathula, also known as the key paddle white sturgeon, duck beak sturgeon, is a sturgeon, Keystone sturgeon, is an ancient large-scale freshwater economic fish originating in the Mississippi and Missouri River basin. Its adaptability, rapid growth, mainly feeding zooplankton. Key sturgeon eggs, meat has a very high food value and economic value, unique kiss-type body and it has a high ornamental. The success of artificially propagated paddlefish in the 1960s made artificial breeding of paddlefish possible. China’s southern provinces in the last century 80