For example, there are koi with light blue spots, ones with large red patches on their backs, or all-metallic gold. But the most winning fish often just boil down to these three varieties.

The nation’s top koi aficionados will bring their most spectacular fish — up to 3 feet long — to South San Jose to compete ...

“It then scurried over the fence. “He killed around four goldfish, two Koi and three Northern Gold fish. “But we were lucky, because if they get into your pond and they aren’t disturbed ...