1. Salmon is pink in color, with clear texture, and its meat is thick and tender. Rainbow trout is white, cut into nearly transparent slices, and its meat is somewhat crisp;

2. Rainbow trout is a freshwater fish and salmon is a marine fish;

3. Salmon meat is tender, and the fish has a special aroma, which is more suitable for making sashimi than rainbow trout, but rainbow trout fish has no aroma;

4. The body length of salmon can reach more than one meter, while that of rainbow trout is relatively small.