and is the most expensive koi fish ever sold. Koi may just look like an oversized goldfish, but they're not even remotely related. Koi are actually a type of carp, and today they're some of the ...
The fish, he explained, was a hybrid of a leather carp and a koi carp and after a 25-minute battle, it was all over. The goldfish that had been a white whale to many was in Mr Hackett's net.