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 be vastly over-rated. Scientists said on Monday they have deciphered the genome of the Amazon molly, one of the few vertebrate species to rely upon asexual reproduction, and discovered that it had none of ...