The giant octopus is extremely common through out the Pacific Northwest
And they’ve held a regular spot on display at the Seattle Aquarium over the
But when the keepers here decided to move one into a larger tank with sharks and
other big fish they assumed that the octopus’ strength and camouflage would keep
it safe. As it turned out, they were tragically mistaken.
What was happening in the aquarium was a mystery. Each week, keepers were
finding shark carcasses in the bottom of the tank. Week after week, the 3 to
4-foot sharks kept vanishing. So one night, someone stayed up to see who the
culprit was. And lo and behold! they learned something about these species they
never imagined. To say the least, it was a big surprise to find out that sharks
were being taken by an octopus - a mere invertebrate. And it gives new meaning
to “top predator".