Releasing a cutthroat trout into a clear watered alpine lake

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