Cooney Creek, Swan Valley, Condon, Montana, USA A Brook Trout hases an adult and juvenile Westslope Cutthroat Trout, who respond by circling and foraging

Cooney Creek, Swan Valley, Condon, Montana, USA A Westslope Cutthroat Trout forages in between chasing another Westslope Cutthroat Trout and being chased by a Brook Trout

Cooney Creek, Swan Valley, Condon, Montana, USA A Brook Trout chases a Westslope Cutthroat Trout away. The Cutthroat returns to the area later to forage, upon which the Brook Trout chases it away again

Cooney Creek, Swan Valley, Condon, Montana, USA A Westslope Cutthroat Trout passes closely in front the camera while circling a Brook Trout, that chases the Cutthroat away, before the Cutthroat Trout returns and eats material in the water and on the surface

Cooney Creek, Swan Valley, Condon, Montana, USA A pair of Westslope Cutthroat Trout circle and chase each other, before a Brook Trout arrives and chases both of them

Cooney Creek, Swan Valley, Condon, Montana, USA A Brook Trout chases several Westslope Cutthroat Trout around, who circle, approach and swim away from the camera