西伯利亚鲟(Acipenser baeri)分布在西伯利亚,多栖息在河流的中、下游,也栖息北冰洋的海湾及半咸水水域。西伯利亚鲟分为三个类群,即洄游型、半洄游型和定栖型,生长适温范围在18￣22℃。西伯利亚鲟以底栖动物为食,其中摇蚊幼虫占多数,也摄食大量有机碎屑和沉渣。在人工养殖环境 Acipenser baeri is found in Siberia and inhabit the middle and lower reaches of the river, as well as the gulf and brackish water that inhabit the Arctic Ocean. Siberian sturgeon is divided into three groups, namely migratory type, semi-migratory type and habitat type, the growth temperature range of 18 ~ 22 ℃. Siberian sturgeon feed on benthic animals, of which Chironomid larvae are predominant and also feed large amounts of organic debris and sediment. In artificial breeding environment