Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways ...

A 4-year-old girl in India noticed a “translucent” creature in a water tank and helped scientists discover a new species, a ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

By Anton L. Delgado The first-ever acoustic telemetry network in the Mekong River has tracked key migration corridors ...

Recent heavy rains in western Kentucky caused water levels at Kentucky Lake and Lake Barkely to rise and crest earlier this ...

At the base of the Grand Teton Mountain range, a new fish species tinged with green was identified as separate from its blue brethren.

Scientists from the Leibniz Center for Tropical Marine Research (ZMT) in Bremen, together with colleagues from Central ...