The magical playfulness of porpoises can be seen and heard on this video taken by Jonathan Fielding, who was on a rib heading towards Helford River yesterday.

On a beautifully calm autumn day, Jonathan, of Falmouth Boat Co, was travelling from Falmouth to the Helford when he was lucky enough to share his trip with these beauties.

He encountered them whilst he was in Falmouth Bay, just off Maenporth.

Turn the volume up for the full effect!