Amazon fish challenges mutation idea

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 counterparts. But that theory doesn't hold true regarding the Amazon molly, an all-female fish species that has thrived for millennia in the fresh waters along the Mexico-Texas border.

Amazon fish challenges mutation idea

Study of an Amazon fish has challenged ideas about how DNA gathers deadly mutations over time.

Tue 13 Feb 18 from BBC News

Good golly, miss molly!

Asexual fish species confounds expectations and genetic predictions. Stephen Fleischfresser reports.

Mon 12 Feb 18 from Cosmos Magazine

Girl power: life's going swimmingly for all-female fish species

WASHINGTON (Reuters) - An all-female freshwater fish species called the Amazon molly that inhabits rivers and creeks along the Texas-Mexico border is living proof that sexual reproduction may ...

Mon 12 Feb 18 from Reuters

How an all-female fish species evades extinction

The fish Amazon molly exhibits a unique genetic variability.

Tue 13 Feb 18 from The Hindu

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 ...

Mon 12 Feb 18 from Eurekalert

No sex for all-female fish species

They reproduce through gynogenesis. Their offspring are clones of the mother. According to established theories, the Amazon molly should have become extinct a long time ago. A new study shows ...

Mon 12 Feb 18 from ScienceDaily

No sex for all-female fish species, Mon 12 Feb 18 from Eurekalert

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