A remarkable fish species, the Amazon molly, has defied evolutionary norms by surviving for 100,000 years without males.

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

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without males, revealing new clues to how genomes stay healthy.

Learn how the Amazon molly, an all-female fish that reproduces asexually, uses gene conversion to maintain healthy DNA and survive more than 100,000 years without males. Asexual reproduction occurs in ...

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

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 ...

University of Missouri researchers have shown how an all-female fish species called the Amazon molly defies the long-held belief that asexual reproduction is an evolutionary dead end. The key is gene ...

(PhysOrg.com) -- Some male Mexican molly fish sport a structure like a mustache on their top lips, which scientists have now discovered are attractive to female mollies and may represent a sexually ...