Two lionhead goldfish, carassius auratus auratus with bumpy head, swimming at the bottom of the aquarium tank against dark background

lionhead goldfish fish aquarium water chinese cyprinidae bubble eye hooded headgrowth species red white chubby swim underwater pet oranda freshwater aquatic habitat gold color orange auratus fishtank scale exotic head fancy bred dorsal float carassius peaceful shishi wen bumpy fin tank asia animal ranchu ekka brisbane royal queensland show rna showgrounds