Thornbury Fishway, Thornbury, Ontario, Canada Small Chinook Salmon rest upstream from the control gate at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada Chinook Salmon ascend, rest and then drop back at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada A Chinook Salmon in the fishway drops back and re-ascends over the exit control gate

Thornbury Fishway, Thornbury, Ontario, Canada Chinook Salmon ascend and rest at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada A Chinook Salmon attempts to rest at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada Chinook Salmon ascend, rest and then drop back at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada Chinook Salmon fight the current and ascend over the fishway control gate

Thornbury Fishway, Thornbury, Ontario, Canada Several Chinook Salmon linger and mill about at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada Small Chinook Salmon fight the current and drop back, while others linger at the fishway exit

Thornbury Fishway, Thornbury, Ontario, Canada Chinook Salmon linger and one drops back at the fishway exit