There are many largest and dangerous sea animals on the planet. Many of these species have gone extinct or else they would rule the entire ocean. These creatures are a nightmare and we are lucky they do not exist in the present world. When these creatures were alive, they didn’t leave anything which came on their way and they are very dangerous. These sea monsters can kill anything for their prey and are too viscous. The scientists have found few new things about these sea monsters.
Watch below video to see how dangerous these sea monsters were: