我省特产的施氏鲟、达氏鳇是世界上已知的迄今为止尚保存下来的最古老的脊椎动物类群,最早出现于一亿三千万年前的白垩纪时期,素有“水中活化石”之称,在研究生物进化、地质、地貌、水质、地球变化等方面具有极大的科研价值。同时,鲟鳇鱼是淡水鱼类中个体最大、寿命最长的鱼类, The specialty of our province, Acipenser schrenckii and Daphne foetida, is the most ancient vertebrate group in the world that has been preserved so far. It first appeared in the Cretaceous period of 130 million years ago and is known as “living fossil in water ”Said, in the study of biological evolution, geology, geomorphology, water quality, the Earth’s changes have great scientific value. At the same time, sturgeon fish is the largest individual in freshwater fish, the longest life expectancy of fish,