There's a new fish species in Alabama, but you can't see it. In fact, as far as scientists know, this fish only lives in one cave in north Alabama that is closed to the public. "There were all these ...

Fancy setting up your first aquarium? These are the best fish to choose if you’re an inexperienced aquariast.

Originally found in the Yangtze River in China, these coin-sized creatures can now be found all around the globe. How did ...

Many people believe that all pet fish have relatively short life expectancies, but that is not entirely true. With good care, ...

Angelfish are among the most elegant freshwater aquarium fish, admired for their graceful swimming, triangular fins, and ...

Experts worked in ocean midwater off Brazil at near-record speeds thanks to cutting-edge tech A marine biology expedition in international waters off the coast of Brazil has discovered 31 new species ...

The ‘megafish’ living in southeast Asia’s Mekong River once faced extinction. A new rapid response system is helping reverse their dire outlook. The Mekong River flows through southeast Asia and is ...

Through my swim mask, I could see what Wendell Haag’s finger was pointing at two feet below me on the riverbed. But I couldn’t immediately see that it was alive. It looked like a rock with some kind ...

Many people are familiar with the epic migrations of zebras and wildebeest across the Serengeti, but some of our planet’s most important migrations happen out of sight. The dorado catfish travels ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since 1970. These species depend on long, connected rivers, but dams and human ...

As national representatives gather at the UN COP15 Convention on Migratory Species (CMS) meeting this week in Brazil, a new global report has been released profiling a dangerously neglected category ...

Beneath the surface of the planet’s rivers and lakes, the historically heaving migrations of freshwater fish are thinning out. The blubbery-lipped Siamese giant carp of Asia’s Mekong River, the ...