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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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Wakatobi Dive Resort
Wakatobi Dive Resort has some of the most pristine reefs in Indonesia at its doorstep. Protected by their Collaborative Reef Conservation Program, Wakatobi is the #1 choice for sophisticated divers.
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Backscatter Dual Hybrid Flash Underwater Strobe Bundle with FREE Diffusers-
Sealife Sea Dragon Mini 1600 Power Kit
- Price A$ 239.95
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SeaLife - SportDiver S Underwater Smartphone Housing
- Price A$ 499.00
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Sublue Whiteshark MixPro - Underwater Scooter
- Price A$ 1,199.00
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Scubalamp V6k V3 Movie Grade Photo/Video Light - 12,000 lumens
- Price A$ 899.00
Fantasea FG7X II S Vacuum Underwater Housing for Canon G7X Mark II-
Fantasea FRX100 VA R Housing for Sony RX100 III / IV / V / VA - with optional vacuum system
- Price A$ 799.00
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AquaTech EDGE Pro Camera Water Housings - Nikon mirrorless
- Price A$ 2,149.00
Articles
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Using Mirrorless Cameras Underwater
by donsilcock
- Digital technology has completely revolutionized underwater photography and what was once the exclusive preserve of a few dedicated divers, has now become so common, that you stand out if you don't have a dive camera.
