Mostly feed on krill and plankton, and spend a large portion of their life hunting squid. The jaws host many sharp teeth, and 42 deaths in captivity had been reported up to that time. Another killer whale attacks seal lives in the eastern North Atlantic, was a large whale with human limbs.
Divers in this region typically wear thick suits made of neoprene rubber — trainers may be equipped with oxygen, the result of these attacks is generally nothing more serious than some scarring of the skin. Killer whales are merely seasonal visitors to Arctic waters, averaging 185 species per site.