“This is the first study that shows a shark embryo’s ability to detect and ‘hide’ from a predator”—presented in the study as predator-mimicking electric fields—“by staying completely still and ...

“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 ...

It is among the roughly 40 per cent of sharks that reproduce by laying a tough, leather egg case that contains an embryo. These shark embryos are highly sensitive to changing ocean conditions ...