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.

Chinese breeders of "nishikigoi" carp displayed varieties of the multicolored ornamental fish at a recent competition in southern China. The breed, commonly known as "koi", are regarded as symbols of ...

As the name implies, it's an outdoor pond populated by koi fish, a colorful, domesticated carp that adapts well to a variety of spaces. Originally domesticated in China, these beautiful fish endeared ...

Rayfield said they return the fish unless it is an invasive species or a rarity like the koi. In the past, the group has found Asian carpenter fish, which they had to kill to protect the habitat.

He said he cherished the fish as pets ... authority advise a number of measures to help protect koi ponds from predation by the species like electric and mesh fencing. Grace Yokon, who is ...