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 ...

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 ...

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

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 ...

Not much surprises Ash Jenner in his line of work, but even the young lifeguard was stunned after a pregnant tiger shark washed up on his local beach. The North Stradbroke Island resident helped ...

Since opening in 2002, Aqua World has been trying to breed the sand tiger shark, a viviparous species whose eggs hatch inside the womb. The keepers found the rutting season for the male shark that ...