Do sharks eat their own babies?
Yes, “intrauterine” refers to embryos in the uterus. Sand tiger sharks eat their brothers and sisters while still in the womb. What’s more, once the unborn babies consume all of the living embryos, they turn to their mother’s unfertilized eggs next, in a phenomenon called oophagy, or egg-eating.
Do sharks eat each other?
Why Shark Embryos Gobble Each Other Up In Utero. Shark embryos cannibalize their littermates in the womb, with the largest embryo eating all but one of its siblings. Now, researchers know why: It’s part of a struggle for paternity in utero, where babies of different fathers compete to be born.
What sharks eat their siblings to survive in the mother’s womb?
Cannibal Sharks Eat Their Siblings In The Womb. From the moment a sand tiger shark embryo emerges within its mother’s uterus, the hatchling is locked in a deadly battle with its siblings. Unborn sand tiger sharks must fight each other for survival, with one winner eventually eating its siblings.