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 ...

Livebearer fish are fascinating species because they don’t lay eggs. Instead, the females release fully formed babies known ...

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, ...

Start with the Right Tank Size When it comes to setting up a fish tank, bigger really is better—especially for beginners.