Dabry's sturgeon

Dabry's sturgeon, also known as the Yangtze sturgeon ("Acipenser dabryanus"), is a member of the family Acipenseridae and the order Acipenseriformes.
The fish is thought to have lived at the same time as dinosaurs. It may have lived as long as 140 million years ago. Because of that, it is sometimes called a living fossil. It is an animal carefully protected by the Chinese government. It is named a "national treasure" much like the Giant Panda.
The fish can be between in body length. It can weigh on average. A grown-up sturgeon measures up to long, and weighs over . This makes it the third biggest only to the White sturgeon and Atlantic sturgeon. 
Sturgeon are anadromous. This means they spawn in fresh water and migrate to salt water to mature. 
It lives on the main streams of the Yangtze River and coastal regions of Qiantang River, Minjiang River and Pearl River.