Otto the octopus wrecks havoc – Telegraph

“It was on the third night that we found out that the octopus Otto was
responsible for the chaos

“We knew that he was bored as the aquarium is closed for winter, and at
two feet, seven inches Otto had discovered he was big enough to swing onto
the edge of his tank and shoot out the 2000 Watt spot light above him with a
carefully directed jet of water.”

[…]

Once we saw him juggling the hermit crabs in his tank, another time he
threw stones against the glass damaging it.– Telegraph