“Shark embryos are already very vulnerable in their mermaids purses and our study suggests that one of their key survival strategies - freezing to hide from predators- may be significantly reduced by ...

This is known as ovoviviparity. In 1996, a paper documented the case of a whale shark that was dubbed a 'megamamma'. The animal, which was harpooned off the coast of Taiwan, was found to be carrying ...

Around 40% of species lay eggs and the tiny embryo gets all its nutrients from a yolk. When all the yolk has gone, the shark will hatch as a fully formed miniature shark. Around 10% of species ...

That is something you see in shark embryos and newborns. He says the white layer could have been evidence the shark had just been born and still had a mucus-like substance on its body. James ...