We're starting with the fish that have temperaments that make them unlikely to get on with other species of tankmates. In ...

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 ...

I catch wild koi, goldfish, and swordtails that someone dumped in an urban canal in Miami, Florida! All the fish we netted we brought back to put into our own ponds and tanks!

The town has advised residents of the issue and, in a Facebook post, noted that some traps had been put in the water by a ...

The Greater Louisville Koi and Goldfish Society will host its 28th annual Koi & Goldfish Show from May 23-25.

More and more homeowners are making koi ponds their go-to garden feature. With strategies and equipment to help the fish ...

Koi and goldfish also have the potential to carry diseases such as koi herpesvirus that can harm local fish populations. Motz said animal dumping has been an ongoing issue at Lititz Springs Park.

A fisherman has caught one of the world’s largest goldfish, weighing in at 67 pounds. Known as “The Carrot,” the carp-koi hybrid is a well-known resident at Bluewater Lakes in the Champagne ...

For the next story of our Grown IN Indiana series, we visit one of the oldest private fish farms in the country. It raises millions of goldfish and koi.

A Rhode Island man has been charged with putting liquid Miracle-Gro into a koi and goldfish pond, killing more than 50 fish, officials said.

Koi and goldfish are naturally bottom-feeding fish. But we have taught them — because they’re golden retrievers, they’ll do anything for food — to come to the surface during feeding time.

People are wondering if the makeshift koi pond around a leaking fire hydrant in Bed-Stuy is just a work of art or cause for concern.