Species that are popular in the ornamental fish trade are very adaptive by nature. This virtue helps them easily adapt to ...

Many of us eat, hear about or see baby fish without ever considering their true adult size. A lot of fish that may seem small ...

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, ...

These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

Filming freshwater fish takes a unique skill set and a lot of patience but offers photographers the rare opportunity of being ...

Exploring the wonders of the underwater world from the comfort of your own home is a fascinating experience – and setting up a freshwater aquarium can be a rewarding journey for any beginner fish ...

These clever fish recognize their owners and can even be hand-fed and trained! Train them to swim through hoops or follow your finger — they love the challenge. They solve problems, defend territory, ...

A fish is a cold-blooded aquatic vertebrate with gills, a swim bladder, and paired fins. Though this description may seem specific, the size, color, and habits of fish actually vary drastically.

Cape mountain zebra. Image via Bernard DUPONT from FRANCE, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons ...