Now in order to get a beautiful, reddish-orange pattern like ... and is the most expensive koi fish ever sold. Koi may just look like an oversized goldfish, but they're not even remotely related.

Did you know some species of pet fish can live as long, if not longer, than dogs and cats? Learn how this wonderful species ...

The All Japan Nishikigoi Show is one of the world's most prestigious koi competitions, where breeders and collectors from ...

Koi carp are one of the most iconic ornamental fish in the world. Originally hailing from Japan, these beautiful fish have amazingly patterned bodies. There are many varieties–– and some of them are ...

“We let the water circulate for a week, then we slowly add in the koi,” he says. They typically come in transparent bags and ...

Explore an infinite number of procedurally generated koi patterns by crossbreeding your fish, and discover new mutations as you go along. Create beautiful koi through selective breeding ...