An international team of biologists, led by Wageningen University & Research, has demonstrated that predators have a direct and rapid influence on how prey species adapt and evolve. In a controlled ...

A supplement simply added to water has been shown to boost reproduction in nematodes (roundworms), molluscs, fish and frogs – and researchers believe it could work for humans too. Dr Keith Davies, ...

Male guppies may sexually harass females of another fish species to prevent them from reproducing, researchers suggest. They believe the guppies – which have invaded Mexican rivers and lakes – are ...

Animal sexual reproduction can involve males attempting to entice or force females to mate with them, even if they are not initially interested.This male behavior is driven by conflicts of interest ...

For female guppies, there’s more to life than making babies. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. A new study finds that guppies ...