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.
Pelagian Dive Yacht
Feel like you're on a private yacht charter with just ten guests. Pelagian cruises the outer reaches of the exquisite Wakatobi region.
Articles
-
Byron Bay goes TEK - or does it !?
- Well … the trip was to go to Windara banks or the Cod Grounds how they call it … a deep dive that isn’t done a lot around Byron Bay anymore. Everyone was excited as tales of sharks galore – and not just Grey Nurses – were told during the days approaching the dive ...
