The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in ...

Watch the amazing process of goldfish breeding and how it can lead to thousands of baby goldfish. See how spawning works, how ...

My goldfish just laid eggs and now the breeding process has begun. In this video we look at what happens after spawning, how to care for the eggs, and what to expect as the goldfish fry begin to ...

Videos showing giant pythons swimming through flooded streets in Bali, Indonesia, after days of heavy rain have gone viral, startling social media users. Bali is entering the peak of its rainy season ...