1 The anadromous variety of rainbow trout, being larger and having darker spots than the freshwater variety.

2 The anadromous form called "steelhead" migrate to the ocean, though they must return to fresh water to reproduce.

3 Any of various primitive elongated freshwater or anadromous fishes of the family Petromyzontidae, characteristically having a jawless sucking mouth with rasping teeth.

4 Any of various freshwater or anadromous food and game fishes of the family Salmonidae, especially of the genera Salmo and Salvelinus, usually having a streamlined, speckled.

5 It is possible for the offspring of rainbow trout to become anadromous and for the offspring of steelhead to develop a resident life history.

6 Mainly distributed in China's coastal regions, the Yangtze, Qiantang River, Pearl River, etc. , for the Anadromous migratory fish, it's highly nostalgic.

7 Most migratory fish, such as salmon and shad, are anadromous, spawning in fresh water and living as adults in salt water.