Their egg cases are sometimes referred to as mermaid's purses ... This is known to occur in sand tiger sharks (Carcharias taurus). Placental viviparity occurs in some species of shark - once the yolk ...

As one of the divers with Nascimento opened a crate of fish to toss to several tiger sharks, one of them snapped at the diver holding a camera. The shark kept biting and eventually partially ...

A tiger shark has surprised Australian scientists on ... Echidnas — which are only found in Australia and New Guinea — are ...

Some sharks lay egg cases with developing embryos inside ... while probing the uterus of a pregnant sand tiger shark, was bitten by an unborn pup. The strongest shark bite: The greatest force ...

SYDNEY — A tiger shark has surprised Australian scientists ... Echidnas — which are only found in Australia and New Guinea — are egg-laying mammals, have spines protruding from their bodies ...

SharkFest show Sharks of the Bermuda Triangle focuses on scientists trying to find a tiger shark breeding ground in the infamously mysterious area Kelli Bender is the Pets Editor at PEOPLE.

10-foot tiger shark washed ashore in Jensen Beach Lifeguards could not confirm social media reports of a second shark. Anglers likely caught and released the shark near shore. Shark fishing is ...

Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...