trout; any of several species of freshwater food fish often with silver scales and black spots

rainbow trout (Oncorhynchus mykiss), a species of salmonid native to cold-water tributaries of the Pacific Ocean

rainbow trout (Oncorhynchus mykiss), a species of salmonid noted for the reddish horizontal band along its sides

a freshwater fish with a silver-gray cylindrical body and a distinct red mark on the upper part of its eye; also called [[红眼鱼|紅眼魚|hong2 yan3 yu2]]

rainbow trout (Oncorhynchus mykiss), a species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America