The giant snakehead (Channa micropeltes), a predatory fish native to Southeast Asia, has been found in Sri Lanka’s Deduru Oya reservoir, raising concerns over the invasive species’ potential impact on ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Had you been in Cleveland 360 million years ago, you’d be swimming for your life. Not only would you have found yourself bobbing in a shallow sea, but there’d be something monstrous in the water: ...