Virgin birth suggests a bleak future for hammerhead sharks

The Scotsman | May 23, 2007| | Copyright

A VIRGIN birth has been recorded among hammerhead sharks for the first time, in a discovery that raises concern about wild populations.

A female shark that was caught off Florida as a baby gave birth at Henry Dorley Zoo in Nebraska in December 2001, even though there were no male hammerheads in the aquarium.

Similar births have been recorded before, but these have been put down to the sharks' ability to store sperm for long periods.

However, researchers from the zoo and from Queen's University Belfast, Nova Southeastern University in Florida carried out genetic tests that showed that the ...

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