For all intents and purposes, the Amazon $AMZN molly should be on a crash course to extinction. Shockingly, it’s not only survived, but thrived. Over time, the all ...

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

When a pair of freshwater fish species reproduce together, they create hybrids who are able to reproduce asexually. This ability should offer the hybrids an unstoppable evolutionary advantage…so why ...

The Amazon molly (Poecilia formosa) is a species of freshwater fish native to Mexico and the southwestern United States. The fish—like their namesake, the mythical Amazonian warriors—are all female.

image: An international team of scientists has sequenced the genome of the Amazon molly, a fish that reproduces asexually. The researchers expected that the asexual organism would be at a genetic ...

WASHINGTON — 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 be vastly ...

Hydra vulgaris constantly replenish the cells in their heads and grow new ones to reproduce asexually. But gene expression analyses reveal that regenerating a head after an injury is a very different ...

Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

When a red-bellied dace and a finescale dace (freshwater fish in the carp and minnow family) mate with each other, they produce a hybrid with a very special ability: it can reproduce asexually. This ...

Josh has a degree in Biology from University College London, and specialises in animals, palaeontology, climate, and the environment.View full profile Josh has a degree in Biology from University ...