Koi are actually a type of carp, and today they're some of the most ... For example, there are koi with light blue spots, ones with large red patches on their backs, or all-metallic gold.

Koi carp are one of the most iconic ornamental fish ... Kohaku koi have a distinct white base coloring with a red pattern ...

Almost £1 million worth of rare koi carp collected by the late Freddie Mercury have been accidentally killed by a gardener. The Queen star's 89 fish, each more than 2ft long, were worth about £ ...