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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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.
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Diving Papua New Guinea - Milne Bay
- It is one of the few places left in the world where a diver can see macro critters, pelagics, and big stuff, as well as fantastic soft and hard corals. The often misused and abused adjective “pristine” is actually appropriate here, due to low fishing pressure in the area in comparison to other areas of the Coral Triangle, no dynamite fishing, and thanks to a system implemented by dive resorts whereby local reef "owners" receiving a small fee for every diver that visits "their" reef. As a result elders make sure that the reefs are not fished.
