Carassius auratus argenteaphthalmus - Goldfish may grow to a maximum length of 23 inches and a maximum weight of 9.
Crucian - They are often caught as a sport fish: the British rod-caught record for largest crucian is four pounds, nine ounces, caught by Martin Bowler in a lake in southern England in 2003.
Gibel carp - Although some sources claim that Crucian carp are the wild version of the goldfish , recent research has found that the wild form of the goldfish is actually the Prussian carp .