Here’s what you’ll learn when you read this story: The Amazon molly might look like any other fish, but this hybrid freshwater vertebrate actually reproduces asexually, creating exclusively female ...

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 ...

(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 ...

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 ...

The very rare animals that reproduce asexually—only about one in 1,000 of all living vertebrate species—are thought to be at an evolutionary disadvantage compared with their sexually reproduced ...

For the tiny, dull male Mexican molly fish, desperate times call for desperate measures. Its female counterpart is promiscuous and selective. She prefers giant, colorful males, causing smaller ones to ...