Noun
goldfish
Source: WordNetGoldfish (Carassius auratus) and Prussian carp (Carassius gibelio) are now considered different species. Source: Internet
This is within 100 base pairs of other related species of fish, and it is notably only 18 pairs longer than the goldfish (Carassius auratus) and 21 longer than the carp (Cyprinus carpio). Source: Internet