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 ...

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.

Koi fish have got a lot going for them ... yellow, black, white and blue. "There are more than 100 varieties in koi, but they are all the same species," Kodama says. "They are carp, they ...