Thornbury Fishway, Thornbury, Ontario, Canada A medium sized Rainbow Trout makes several unsuccessful attempts to use the fishway in the evening

Thornbury Fishway, Thornbury, Ontario, Canada A medium sized Rainbow Trout with a large parasitic Lamprey wound on the side of its body ascends the fishway

Thornbury Fishway, Thornbury, Ontario, Canada Large and medium sized Rainbow Trout mostly ascend the fishway, while a few descend throughout the day

Thornbury Fishway, Thornbury, Ontario, Canada Large and medium sized Rainbow Trout successfully ascend the fishway in the early evening

Thornbury Fishway, Thornbury, Ontario, Canada Large and medium sized rainbow trout successfully ascend the fishway in the morning and afternoon

Thornbury Fishway, Thornbury, Ontario, Canada Numerous large and medium sized rainbow trout attempt to use the fishway with varying degrees of success