A single koi can give birth to hundreds of thousands of baby fish at a time. Yvo: I think we are talking about millions and millions of fish per breeder. Narrator: So breeders must choose wisely.

The All Japan Nishikigoi Show is one of the world's most prestigious koi competitions, where breeders and collectors from ...

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 ...