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!

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

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An "unprecedented" toxic algae bloom has overrun the coast of Southern California, sickening marine animals and staining the ...

A plus-size merman has become a hit at an aquarium in China. Footage shows the rotund man wearing a mermaid's fin and ...

Aquatic business has grown to include more than 180 display tanks and 12 outdoor ponds. Bill Ballard shines a flashlight onto a male Zaire blue moba as it swims in a tank at Prairie Creek Aquatics, ...

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, ...

I Bought RARE MONSTER FISH For The NEW AQUARIUM! is a FUN video where we get NEW pet MONSTER FISH for my fish tank! As you guys know I'm a lover of all aquarium fish including guppies, tetras, planted ...

These aquatic gems – such as mollies, guppies, goldfish and koi – are shipped across the ... They are also hardy, making them a popular aquarium fish. Singapore has traditionally been a ...

The nation’s top koi aficionados will bring their most spectacular fish — up to 3 feet long — to South San Jose to compete this weekend, April 5-6, in the ZNA NorCal National Koi Show.

Scientists are studying the long-term impact on fish when sewage ends up in the river after heavy rain. Researchers at the Shedd Aquarium are putting tiny trackers inside fish living in the ...

The very goldfish you often see swimming around in fishbowls and small aquariums (Carassius ... diseases that can harm local fish populations. One example is koi herpesvirus (KHV), which is ...