Nurse sharks have very complex courtship rituals. It begins with a male grasping a female’s pectoral fin in his mouth to try and maneuver her into a mating position. But the female has other ...

The nurse shark is a bottom dweller and catches its ... and have been known to crawl along the bottom of seabeds using their fins. Unlike other sharks, the horn shark prefers to stay put in ...

The “surprise” birth of a gray nurse shark in Australia is good news for the endangered predator species. Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen ...