The mystery deepens as I uncover vibrant koi fish thriving in a pond overtaken by green slime. In Part 2, we get a closer look at their condition, how they’ve survived, and what it’ll take to ...

A Haverford Township man spent 20 years caring for his koi fish. This weekend’s power outage killed them. The outages left ...

Students who walk around EMU's recreation park and Lake House can observe the colorful koi fish in the water of the pond.

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.