This fish species has existed for 100,000 years. Every single one of them has been female.

The hybrid freshwater fish actually reproduces exclusively female clones, doing so for much longer than scientists thought ...

This fish species survived 100,000 years without males. Scientists thought it should be long dead – but it's thriving

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...
IFLScience on MSN

All-female fish should have gone extinct without males thousands of years ago – but haven’t, thanks to nifty genetics

A small fish swimming in the waters of Mexico and Texas has caused a big issue for scientists. The Amazon molly is a species ...
EurekAlert!

International team sequences first Amazon molly fish genome

No species is immune from the suffering of unrequited love, but scientists expect to learn volumes about the biological basis of sex from the newly sequenced genome of an all-female, asexual Texas ...