Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives For around 455 ...

What’s a mermaid’s purse? Sharks and rays are fishes with skeletons made of cartilage. Their egg cases are sometimes referred to as mermaid’s purses, and occasionally as Devil’s purses. The egg is a ...

Trees first appeared on Earth during the Devonian period, around 385 million years ago, and dinosaurs about 100 million years later, between 250 to 200 million years ago. But you might be surprised to ...

It was a mystery that began with an egg. In 1989, scientists in Australia found a curious kind of "mermaid's purse" – a leathery egg case, which some species of sharks lay instead of giving ...

Mermaid's Purses . All skates and some sharks reproduce by laying egg cases, which are also called 'Mermaid’s Purses’. Empty eggs cases can be found amongst the washed up seaweed on the upper ...

It was a mystery that began with an egg. In 1989, scientists in Australia found a curious kind of "mermaid's purse" – a leathery egg case, which some species of sharks lay instead of giving birth to ...