They chose a small member of carp family, Carassius auratus, better known as the goldfish.
A freshwater fish(Carassius auratus)native to eastern Asia, characteristically having brassy or reddish coloring and bred in many ornamental forms as an aquarium fish.
Market people such as Carassius auratus, meet the king when there is a time, thick and clear years thick, sleep in tears, it is not easy to meet.