Koi are actually a type of carp, and today they're some of the most ... The brighter the fish, the bigger the price tag. Today there are about 120 varieties. To compare, there are about 200 ...

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 £ ...