The primary prey of a sperm whale is giant and colossal squid, but they also eat sharks and fish. Although precise evidence of a sperm whale killing a great white hasn’t been documented ...

A great white shark known to frequent New Zealand ... The chief food source would be various squid species, including the fabled giant squid, whose epic battles with sperm whales are legendary.

Scientists know very little about the elusive giant squid, which lives at ocean depths of between 300 and 1000m or more. Much of what they do know comes from the remains of dead or dying specimens ...