What is more dangerous, a shark or a killer whale?

So no, a killer whale isn't more vicious, but it can be as dangerous. An attack on a shark is usually rare for killer whales to do, but giving the right circumstances, then yes it is possible for killer whales to attack a shark. read more

Sharks are by far more dangerous. Whales are.intelligent enough to know not to attack humans. We are not a prey species to them and they will never attack us for the sake of eating. They can also investigate us without biting us. Sharks on the other hand use their mouths to investigate things. read more

Killer Whales aren't as vicious as Great White Sharks, but they are smarter, and they hunt in groups. The fact that they are also bigger helps. But if you are wondering, killer whales are not exactly vicious to humans. That is, unless you stick them in a tank for a long time. Then, they become neurotic. read more