Fly fisherman releases small cutthroat trout into a mountain creek

fly fishing catch and release flyfishing cutthroat trout fly fisherman stream freshwater fishing angling trout creek swim release oncorhynchus clarkii water aquatic ecosystem wilderness catch nature cutthroat river angler underwater fish fisherman gill lake peaceful recreation fly westslope ecology wildlife wild serene endangered species rod native montana nymph background sport animal habitat hook cold colorful net