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Top Ten Sharks Scarier Than The Megalodon If you've watched the movie, Meg, you'd probably think that the Megalodon is the scariest sea monster in the world. And it's easy to see why you may think that. The Megalodon is an insanely big prehistoric monster and could grow as long as 50 feet. Asides that, we are almost certain that the Megalodon had the strongest bite force of all its peers. However, the Megalodon isn't the scariest sea monster. In fact, there are ten sea monsters far scarier, and on this video, we'll go running through them all. This is it. Here are the ten sea monsters definitely scarier than the Megalodon. #10 Stethacanthus When it comes to size, this strange shark is certainly not outstanding. I mean, most other sharks on this list are way larger than it. However, one trait of the Stethacanthus made sure it could make this list. And what's that trait? The shark has an extremely unique dorsal fin that scientists haven't been able to fully explain or understand yet. And yes, this dorsal fin would have been extremely scary to human beings. Thankfully, this animal died out about two hundred million years ago so we didn't even have to be scared to death of it. The unusual dorsal fin of this shark resembles an anchor or an ironing board, and small spikes covered this crest to make it even scarier. Scientists believe that this unusually shaped fin was mostly used for mating rituals, and this belief is better reinforced when you consider that only males had this weird thing jutting out of their heads. #9 Blue Whale The blue whale is the only animal on this list to not be extinct, and I know what you're thinking. How is the blue whale even scarier than the Megalodon? Well, did you know that the Blue whale is literally the largest sea animal to ever exist? Yes. Bigger than even the Meg, and a lot of dinosaurs. There has never been a sea monster larger than the Blue Whale, and that's just a fact. Do you still think the Blue Whale is not scary? Imagine if you were a diver and you suddenly came into contact with a large shark that was bigger than a three-storey building. Wouldn't you be scared straight out of your mind? That's exactly the kind of animal the Blue Whale is. It can grow up to an immense and frankly outrageous length of 98 feet and weighs about 190 tons. Thankfully, these whales aren't a fan of human meat. Or meat, generally. The diet of Blue whales is largely confined to krills which are small fishes that are usually found together in large groups. That's probably the only reason it isn't higher up on this list. Despite the fact that a Blue Whale may not want to eat a tasty human being, you would certainly be scared if you see this gigantic animal swimming towards you. #8 Plesiosaurs Look, when I think of scary I think of large teeth, a jaw that can grind a small plane and huge menacing eyes. I generally don't think of a lumbering long-necked turtle-like creature that looks like it could smother just about anything to death. Regardless of this, fear is the overwhelming emotion people feel when they see the Plesiosaurs. This animal lived over a hundred and thirty million years ago and looks like something from the imagination of a disturbed child. If you think that the Plesiosaurs looks like the Loch Ness monster, you may not be wrong. In fact, this animal served as the inspiration of the Loch Ness monster, and its unique anatomy means that it's the subject of a lot of controversy in the scientific community. When Mary Anning, a renowned palaeontologist, first discovered the bones of this prehistoric sea creature, people said that she had forged it. Why? They simply could not believe that such an animal could exist. But she was right, and other fossils proved it. #7 Mosasaurus Have you watched Jurassic world? If you have, you'd know that one of the scariest dinosaurs is the Mosasaurus, an actual real-life monster that roamed the seas millions and millions of years ago. These simply gigantic reptiles could swallow their prey whole but they usually preferred to slice their prey into small bite-sized morsels with their extremely sharp backward bending teeth. The reptile had a mass of about fourteen thousand kilograms and could reach a length of about eighteen meters. So, why did these animals go extinct? What was that huge thing that could have made them leave the face of the earth never to be seen again? Well, scientists don't exactly know. However, they know the Mosasaurus aren't in existence today for the same reasons that we no longer see dinosaurs walking about in North America.

About Short Film Showcase: The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the web and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.