According to the query cool fishing network shows, trout is the salmon family salmon genus of a variety of fish collectively, commonly known as rainbow trout, waterfall fish, seven-color fish, etc., the world has about 10 species, China's north of Heilongjiang, south to Guangdong, west of Sichuan, east of Jiangsu and Zhejiang along the rivers, lakes and other bodies of water are distributed, common rainbow trout, brown trout, river trout and so on. It is not a fish that lives in the sea, so it is a freshwater fish.
Sea fish, fish that live in the sea, such as striped bass and yellowtail. Sea fish to freshwater will die, the reason is: seawater density, high pressure, sea fish into freshwater will die is because the blood pressure of sea fish adapted to sea water pressure, into freshwater after freshwater pressure is small, the blood pressure of sea fish more than the water pressure leads to blood vessel burst death.