Scientists believe the attacks are just a case of mistaken identity and that is why the damage has been minimal. As soon as the Orca realized that it was not a seal or something else they like to eat, they backed off.

Killer whale species that eat fish are smaller and either ignore people or will shown curiosity about people. They spy, play, snoop or even steal fish from people. They live in the coast.

Killer whale species that eat mammals are bigger, they hunt dolphins, seals, sea lions and fin whales. They can attack, and most probably they will attack people if they have the slighest opportunity. They gladly hunt polar bears that are bigger than any human and have much stronger fangs and claws

They are pelagic or live in arctic regions so if you fall to the water you are dead yet in any case.