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.
Yamaha Seascooters
Exclusive official distributor and dealer for Yamaha Seascooters in Australia, New Zealand and Fiji. Yamaha Seascooters feature light and efficient personal water scooters that are fun and affordable to anyone.
Articles
-
My Day with Mantas
- Coming to Australia I had no illusions about how good the diving could be. We have been hearing how good the Barrier Reef is for years now, and it is good, but has anyone heard of The Coral Coast ('Where is that?' - I hear you ask) ...
