Carassius auratus
Goldfish, Comet Goldfish, Shubunkin, Fantail, Oranda, Ryukin, Lionhead, Ranchu
Goldfish are one of the most popular aquarium fish and are known for their hardiness and diverse forms. They can live for several decades with proper care, with some records reaching over 40 years. Regular maintenance, including water changes and proper filtration, is crucial as goldfish are messy eaters.