Interesting, thanks.
I used to keep koi carp and they could recognise different footsteps. I’d go in the garden and they would come to the surface but would go to the bottom of the pond if it was anybody else.
Space/Science » in reply to excellent!
I used to keep koi carp and they could recognise different footsteps. I’d go in the garden and they would come to the surface but would go to the bottom of the pond if it was anybody else.