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.

directory

QYSEA AustraliaQYSEA Australia
QYSEA Australia - we are the exclusive distributor Fifish V6 and other fantastic underwater drones from QYSEA.

Stargazer

Stargazer

Shopfront

Articles

Padbury Senior Highschool dive with sharksPadbury Senior Highschool dive with sharks

by mlehmann

"Hey Boss, I really want to take 12 kids diving with about 16 sharks" is not a good request in the days following a tragic attack at the Abrolhos (and the request to take a group there later in the year is a completely different issue!!), and the request being granted was an even larger surprise.
Underwater Card 2