http://news.scotsman.com/scitech/It-doesn39t-have-sex-and.4008899.jp
It doesn't have sex and should be extinct – so how come this fish is thriving?
Published Date: 23 April 2008
By Hilary Duncanson
A TINY fish that has survived for 70,000 years without reproducing sexually is swimming against the evolutionary tide, new research has found.
Scientists have shown that the Amazon Molly is defying some laws of evolution by avoiding extinction.
Researchers believe the fish may be employing special genetic survival "tricks", and they are now trying to understand more about how the species has managed to stay alive.
Amazon Molly fish, all of which are female, interact sexually with males of other species to trigger their reproduction process.More at linky
The first thing I thought of when I saw this was that old quote from the movie Wargames
Mr. Liggett: "All right, Lightman. Maybe you can tell us who first suggested the idea of reproduction without sex."
David Lightman: "Um, your wife?"