Do sharks eat their babies?

Why do sharks eat each other in the womb?

Some species practice intrauterine cannibalism, or eating the other fertilized or unfertilized eggs in the womb. … That’s because as the sharks develop their embryonic teeth, they start to eat the other embryos, killing their unborn brothers and sisters, as well as the unfertilized eggs.

Why do baby sharks swim away from their mothers?

Sharks Likely Forage for Eggs in Utero

As for why the embryos swim around, it’s likely that they’re foraging for eggs. Some embryonic sharks survive by eating their mother’s unfertilized eggs. Toby Daly-Engel, Ph. … One of the embryos stuck its head out of the mother’s cervix, then went back inside.

Can sharks smell period blood?

A shark’s sense of smell is powerful – it allows them to find prey from hundreds of yards away. Menstrual blood in the water could be detected by a shark, just like any urine or other bodily fluids.

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