AMAZING RAYS

If you’ve ever found a shark or skate egg case washed up on the beach after it’s hatched out, you’ll know how different they can be. You’ll also know how they can be extremely deceiving, often being mistaken for seaweed or even plastic. These egg cases, sometimes called a ‘mermaid’s purse’, can tell us a huge amount about varied species that can be found in oceans all around the world. But you won’t come across egg cases from their cousin and relative, the ray. That’s because they are viviparous, which means that they give