4 years. Most of the Ge's perch snakeheads have a life span of 4 years. Ge's perch snakehead is a species of fish in the family Sandpiperidae, genus Perch snakehead. The body is stout and short, slightly fusiform, cylindrical in the front and laterally compressed in the back. Distributed in the Russian Far East, the northern part of the Korean Peninsula, Japan, as well as China's Liaohe River, Heilongjiang, Songhua River, Xingkai Lake and other waterways.