Winterthur Horticulturist Collin Hadsell presents a Koi pond and shares tips on how to implement and maintain water features in home gardens.

This once-beautiful city pond is in serious trouble. Invasive fish have taken over, and now there are almost no koi left. In this video, we document the damage, explore how it happened ...

Bonus points, apparently, if there are beautiful, colorful fish inside. Recently, one dog mom took her Australian Shepherd ...

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.

A Henderson couple is suing a pool cleaning company they said mistakenly sent chemicals into the koi pond at their home where the fish died in front of one of them. The cost to replace the koi ...