European freshwater game fish(Salmo trutta) that is dark olive to purple-black above and yellow-brown with reddish spots on the sides. It is naturalized in North America.

• 河鳟：欧洲一种淡水鱼（河鳟），背上呈黑橄榄色，深至紫黑色，身侧呈黄棕色，有红色斑点。养殖在北美洲