Hammerhead sharks can reproduce without having sex

The evidence comes from a shark at Henry Doorly Zoo in Nebraska which gave birth to a pup in 2001 despite having had no contact with a male.

Genetic tests by a team from Belfast, Nebraska and Florida prove conclusively the young animal possessed no paternal DNA, Biology Letters journal reports.

The type of reproduction exhibited had been seen before in bony fish but never in cartilaginous fish such as sharks.

read the full story at BBC news

http://news.bbc.co.uk/1/hi/sci/tech/6681793.stm


Contributed by Tim Hochgrebe added 2007-05-24

Login or become a member to join in with this discussion.

directory

Ikelite Australia - Underwater PhotographicsIkelite Australia - Underwater Photographics
Underwater Australasia is official dealer for all Ikelite products since 1999 and we can help you with all your Ikelite video and digital camera housings needs as well as accessories such as strobe packages, ports and more. Sales to Australia only.

Articles

Australia Day 2005Australia Day 2005
It seemed appropriate that we go diving at Kurnell on Australia Day.....
Underwater Card 2