Koi are actually a type of carp, and today they're some of the most expensive pet fish in the world. But why? Koi were originally raised in Japan in the 1700s when rice farmers first began ...

Don't dismiss carp. If you do you are missing out on a fly fishing opportunity to sight cast to a fish that will test your skills, and once hooked, will put up a fight like a heavyweight boxer.

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 £ ...