A giant 70 million year old fossil of a fish has been discovered in Argentine Patagonia, reported a team of researchers on Monday.

In a statement, the researchers said Argentine paleontologists “found the remains of a predator fish that was more than six meters long,” and that it could have lived amongst dinosaurs.

The fossil belonged to the Xiphactinus genus, which is one of the largest predatory fish that existed in the history of the Earth. It used to swim in the Patagonian seas at the end of the Cretaceous Period.

“The fossils of this carnivorous animal with sharp teeth and scary appearance were found close to the Colhue Huapial lake,” the researchers added, which was around 1,400 kilometers south of the capital Buenos Aires.

This fish has a notably slim body with a huge head. It has big jaws and their teeth were as sharp as needles, noted to be several centimeters long.

Julieta de Pasqua, one of the study authors, said some of this species have been found in other parts of the world, “some of which even have preserved stomach contents.”

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