This post comes to PBS Nature from World Wildlife Fund (WWF). WWF and Nature are collaborating on a series of blog posts from WWF conservation scientists that will share the stories and motivations ...

Authorities are investigating what killed over 4,000 fish at a popular Bedford lake. On July 26, Bedford city leaders responded to Boys Ranch Lake to investigate reports of a “substantial” loss of ...

Fish represent one of the most diverse groups of vertebrates, exhibiting a wide array of physiological adaptations that have enabled them to colonise nearly every aquatic habitat on Earth. Central to ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

An international team led by scientists from the Canadian Museum of Nature and the University of Chicago reconstructed the brain, heart, and fins of an extinct fish called Norselaspis glacialis from a ...

“Fish do feel pain. It’s likely different from what humans feel, but it is still a kind of pain.” At the anatomical level, fish have neurons known as nociceptors, which detect potential harm, such as ...

The reason we humans have fingers today may all be thanks to a fish's clacker. New research into the origins of digit formation shows that the DNA switch controlling finger and toe development got its ...