Koi aren't lightweights either; they typically tip the scales around 35 pounds (16 kg), and experts advise filling a pond ...

It may shock some people to learn that goldfish can live twice as long as a dog. They’re just one of several fish species ...

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 £ ...

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 ...

Niigata is a leader in land-based aquaculture for freshwater fish. The prefecture is the origin of ornamental koi carp, or nishikigoi as they are known locally, and remains the leading producer in ...

Koi diplomacy is back with Japanese nishikigoi, or ornamental carp, set to return to the lucrative Chinese market after a nearly year-long hiatus. Sources have confirmed that Chinese authorities ...

A hotel has caught a "sneaky" otter "red-handed" after putting up CCTV to find the thief responsible for the loss of 50 koi carp worth about £100,000. The Grosvenor Pulford Hotel, near Chester ...

Samuel Robinson, 37, took koi carp valued at £600 from a garden pond at the victim's home in north Belfast. Robinson stole the fish in Ballysillan Drive in the early hours of 3 December 2018.