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Ancient sharks had huge babies that ate their siblings in the womb, find new research

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Proper nutrition is important for the growing fetus of an animal for survival. In general, nutrition can come from their mother. However, one ancient shark caused a spark of conspiracy and horror as researchers claimed to have eaten its siblings in utero for nutrition.

The animal in question is Megalodon, the most ferocious shark species ever lived. Adults of this species are over 14 meters long and lived for almost 15 years, about 3.6 million years ago. Its teeth can be up to 17 cm, which was a mysterious topic among scientists.

Action movie movies may have found a beast in a 2018 Hollywood movie, Meg.. However, there is not much evidence of fossilization of the mighty creatures that shed light on their lives. Due to its soft cartilage skeleton, most of them are not properly mineralized, as is the case with other ancient animals such as dinosaurs and mammoths.

But researchers still need to Research Those. So Kenshu Shimada of DePaul University turned to other ways to gather clues about the mysterious beast, especially by studying the spine.They give the result Historical Biology: An international journal of paleontology.

Their spine from the Miocene era was analyzed for this study. The annual ring deposits of the vertebrae can be used in the same way as annual rings to determine the age of the tree. They found that the sample was 46 years old when it died.

It was discovered that these animals gave birth to babies over 2 meters in length. For reference, the average height of an adult is 1.8 meters. Researchers then believe that the only way it can grow this way is to eat other unhatched babies in the mother. Sharks are either embryonic (birth) or oviparous (spawning). Megalodon was an embryo.

In most embryonic sharks, the eggs hatch inside the mother and feed on the yolk and water from the mother to reach the proper size. The size of the “Meg” foetation suggests that a large amount of food must be consumed in the womb.

So how did you eat so much? In a truly horrifying way, researchers claim that sharks laid multiple eggs. One of them will survive by eating everything else in the act of cannibalism. Shark puppies that eat other embryos are not uncommon today as they still occur in seeds like tiger sharks. The team also claimed that at least two Meg puppies would be born at one time (although there is not much data to prove that). That is, dozens to hundreds of fetal Meg puppies are consumed between the two.

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