top view of flock of brook trouts, salvelinus fontinalis, and rainbow trouts, oncorhynchus mykiss, in water. detail of fish

animal aquatic background big bottom brook catch colorful detail diving family fin fish fishery fishing flock fly fontinalis food fresh freshwater lake life lure marbled mud muddy mykiss nature oncorhynchus pattern pond predator rainbow river salmon salmonidae salvelinus scales spin spots tail top trout trouts underwater view water wild wildlife