Cooney Creek, Swan Valley, Condon, Montana, USA Brook Trout feeding close to the camera and chasing Cutthroat Trout early in the afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA Brook Trout displaying aggressive behaviour towards Cutthroat Trout early in the morning

Cooney Creek, Swan Valley, Condon, Montana, USA Brook Trout chasing Cutthroat Trout

Cooney Creek, Swan Valley, Condon, Montana, USA Cutthroat Trout actively swimming and feeding in the current with a Brook Trout appearing briefly in the morning

Cooney Creek, Swan Valley, Condon, Montana, USA Brook Trout and a Cutthroat Trout chasing each other through the current for territory in the morning

Cooney Creek, Swan Valley, Condon, Montana, USA Brook Trout actively disallowing a Cutthroat Trout to feed in the same territory during the evening