The research maps biofluorescence across 459 glowing fish species and shows just how varied the colors have become.

The dinosaur era was full of scary animals. These animals possessed enormous power and were very big. They roamed the earth, ...

Nature is full of mysteries, and some of them are such that linger for ages, hooking scientists across generations with questions that feel just out o.

The West Wales Rivers Trust has deemed Aberaeron Harbour’s dredging is “unlikely” to affect fish species, if done ...

Now, for the sixth year in a row, you can help them get the attention of the lock’s operators. The Fish Doorbell—or ...

A Dutch lock is closed for the spring, and its employees want you to tell them when migrating fish come knocking by ringing a digital doorbell ...

In the slow-moving canals and shadowy marshes of the Florida Everglades live some of the most dangerous creatures. You ...

A hungry otter battled it out with a huge slippery eel before gobbling it up for its breakfast. The mammal was spotted struggling to tackle the 3ft long fish for over 20 minutes before overpowering it ...

Utrecht’s fish doorbell, an internet hit which has allowed tens of thousands of people all over the world to help fish migrate through the city’s canals, is online again for the sixth year. Thousands ...

Utrecht’s fish doorbell is officially open. At 10:24 a.m. on Monday, 2,195 people were on the website, watching for fish who ...

“The electrocytes in electric eels are ultra-thin biological cells, capable of generating over 600 volts of electricity in a ...

Water in parts of the United States is being shocked on purpose. Not for spectacle, and not to remove rubbish, but to count ...