The oceans contain a myriad of unsolved mysteries, where the oceans can be a frightening place for some people, where the oceans have many dangerous animals such as sharks, sea snakes, and poisonous jellyfish. But in prehistoric times, these dangerous animals would be nothing compared to the horrific "sea monsters" that lived in those days. With its large size, meat lovers, and ferocious, this sea monster would be so horrible if it still lives in this day and age, maybe a fishing profession would never exist if this monster still inhabits our oceans.

Liopleurodon

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>Liopleurodon is the largest water reptile in Jurassic times, where many scientists debate the length of this sea monster and finally agreed that the normal size of this monster can reach about 25 meters. The Liopreurodon's head is one-fifth the size of its body, where it also has a long, wide mouth that is also equipped with large sharp teeth. Liopleurodon was the culmination of the marine food chain of the day, which made none of the water creatures dare to disturb it. Scientists once tested how great the oars ability of the Liopleurodon fins. By creating a small swimming robot that resembles this monster, and it is evident that this animal is very agile but can not move quickly. This monster has a very fast attack power when catching its prey, just like a crocodile.