Is a goldfish the "Loch Ness" of a small South Carolina lake? Or is a small koi on the loose? The identity of this fish remains a mystery. Parks and recreation workers in South Carolina found what ...

This gorgeous giant backyard koi pond built by @pond_koi_turtle_ started with four koi fish and four turtles. Within a few ...

Aquariums have become a big trend lately. More people are buying small fish and setting up tiny tanks at home because they ...

Nishikigoi, better known as koi fish, are a well-known variety of the common carp. They are bright red and white and revered for their vibrance and grace. Even other animals, including their predators ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they'd built and tended for ...

Koi fish swim in a Miami pond. Seven dozen koi, which can reach 3 feet in length, were recently stolen from a business in Yucaipa. (Wilfredo Lee / Associated Press) Under the cover of early-morning ...

The 31 koi donated by Joseph Zuritsky are already living in the pond at the Japanese House and Garden. More will be introduced in May, when the water is warmer. (Emma Lee/WHYY) Joseph Zuritsky (right) ...

Stepping into Bev and Curly Thompson's back yard is like entering an extravagant outdoor spa. Tranquil music plays in the background. Sounds of water from a pond waterfall intermingle with the ...

VANCOUVER—Is the Chinatown otter is back at it again? Probably. One year ago, an otter began a weeklong campaign of eating prized koi at Dr. Sun Yat-Sen Classical Chinese Garden, located in ...