The shallow-water shark is smaller than other shark species and has protrusions on its back that resemble horns to help ...

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 ...

The egg's corkscrew shape allows it to wedge into a rock or sandy surface so that the embryo can remain safe until hatching.California.Shelling Tiktok/Paul Bersebach/Digital First Media/Orange County ...