I swear my fish can hear or feel my sliding patio door when it opens. I have been sitting pondside for an hour as they get back to their normal swiming routine, if my wife or kids slide open the door the fish get excited and come to the surface. And there is no way they can see the door open as it is 4 feet up and 12 feet away on a wood deck - but the decks supporting posts are in the ground right next to the pond.
Last edited by steve258; 04-22-2021 at 10:59 AM.
____________
Steve
Allentown, PA USA