Why do killer whales lack natural predators?

In the case of killer whales, it is at the top of the pyramid, & hence there are no predators for the animal. Another example is the shark where there are no hammer headed sharks. In the case where there are the latter, then it is the top predator. read more

When it comes to predator/prey relationships the killer whale is an apex predator and isn’t known to have any natural predators except for humans, parasites and diseases which can have a significant affect on a killer whales health. read more

A healthy adult killer whale simply has none in the modern ocean. They hunt in pods, giving them a numbers advantage, but even on their own, a killer whale is much much bigger than any other big game predator (land or sea). read more