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Female hammerhead sharks can reproduce without having sex. ... Vertebrates in general have evolved away from parthenogenesis to boost genetic diversity and enhance evolutionary potential. The concern for sharks is that not only could we be reducing their numbers but we could be making them less fit as well. ... Did this happen to Virgin Mary? :-) Tomáš J. Fülöpp


 shark Virgin birth
Shark pups are born with super-sized livers, providing them with nutrients to help them survive early life.


 shark parenting liver
A pregnant shark at a New Zealand aquarium was bitten by another shark, unexpectedly releasing four baby sharks as visitors watched.
 toread birth shark
This study confirmed that hammerhead sharks have anterior binocular vision. That means they can see directly ahead while swimming and can accurately judge distance, particularly to any prey they hunt. What's more, the researchers show that the degree of overlap between the two eyes increases with head width.


 hammerhead shark vision ocean toread
The 3.6-metre tiger shark was caught on 4 September by a local investment banker who was deep-sea fishing. Whilst reeling it in, he said he saw a leg poking out of the shark's mouth. After cutting the creature open, defence force officers found a torso, two severed arms, and a right leg.


 shark swimming Bahamas
A German woman has been killed in a shark attack while snorkelling off the Egyptian Red Sea resort of Sharm el-Sheikh.


 shark German Egypt Red Sea tourism snorkeling
Great white sharks in the Mediterranean may have first arrived from the seas around Australia about 450,000 years ago, genetic studies have suggested.


 Mediterranean sea shark Australia genetics migration
International shark experts are arriving in Egypt to help investigate the attacks off the Red Sea resort of Sharm el-Sheikh that have baffled local officials.


 Egypt Red Sea shark attack tourism
A British man has died in a shark attack while on honeymoon in the Seychelles in the Indian Ocean.


 Seychelles shark snorkeling
A Great White shark has killed a US diver in what is thought to be the second fatal shark attack in Western Australia in 12 days.


 shark Australia diving weather cloud
The Marshall Islands government has created the world's largest shark sanctuary, covering nearly two million sq km of ocean.


 ocean Marshall Islands shark protection marine reserve