Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout and a Westslope Cutthroat Trout tolerate each other while foraging as several juveniles swim by in the early evening

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout and a Westslope Cutthroat Trout display aggression, nipping at each other while foraging in the early evening

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout and an adult Westslope Cutthroat Trout tolerate each other while foraging in the early evening

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout foraging as several Westslope Cutthroat and Brook Trout pass by and forage briefly in the late afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout foraging while chasing off several Westslope Cutthroat Trout and other Brook Trout in the mid-afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Westslope Cutthroat Trout foraging before being chased off by an adult Brook Trout in the mid-afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Westslope Cutthroat Trout foraging while avoiding several adult Brook Trout as they clash briefly in the mid-afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout chases several other Brook Trout and an adult Westslope Cutthroat Trout in the mid-afternoon