Grand River, Kitchener, Ontario, Canada A Rock Bass circling over a potential nesting site before courting another Rock Bass

Grand River, Kitchener, Ontario, Canada A Rock Bass attempting to bite the camera and covering the lens with its mouth late in the evening

Grand River, Kitchener, Ontario, Canada Footage of a pair of Rock Bass displaying courting behaviour and circling together very close to the camera in the evening

Grand River, Kitchener, Ontario, Canada A Rock Bass mouthing and tail slapping the camera before displaying courting behaviour with another Rock Bass in the evening

Grand River, Kitchener, Ontario, Canada A Rock Bass cleaning a potential nesting site with its mouth and tail, and displaying aggressions towards the lens of the Grand River camera in the afternoon

Grand River, Kitchener, Ontario, Canada A Rock Bass displaying territoriality and aggression towards the camera several times early in the morning

Grand River, Kitchener, Ontario, Canada A Rock Bass cleaning a potential nest site while a pair of smaller Rock Bass swim around it before being chased away in the evening

Grand River, Kitchener, Ontario, Canada A Rock Bass swimming very closely to the lens of the camera and diligently clearing away bottom substrate with its mouth in the afternoon