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
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Grey Nurse Shark rescued from fishing gaff in Byron Bay
by Simon
- I joined Sue and big Mark (from the Byron Bay Dive Centre) and (to avoid missing anyone) the Seaworld crew, Marine Parks and Fisheries aboard the Seaworld boat this morning for a rescue attempt. My job was videographer for the underwater part of the operation. All of the shark wrangling was done by Seaworld staff.
