The goldfish (Carassius auratus) is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have become an invasive pest in parts of North America and Australia. [4][5]

Gold­fish (Caras­sius au­ra­tus) orig­i­nated in east­ern Asia in­clud­ing China, Hong Kong, Korea, and Tai­wan. From China, the range of this species ex­panded north to most of the world.

Etymology: Carassius: Latinization of , karass, karausche, European crucian carp (Ref. 45335); auratus: From the words carassius--Latin of karass (common name for these fishes in Eurasia) and auratus, meaning gilded (Ref. 10294). More on author: Linnaeus.

Identification: Carassius auratus has an elongated, stocky body. Not all individuals have the well-known bright gold color. Wild populations vary in color from gold to olive green or even creamy white. It possesses a long dorsal fin with 15 to 21 rays and a hard serrate spine at the origin of the dorsal and anal fins.

2022年1月1日 · Goldfish (Carassius auratus), which were originally domesticated in ancient China, are actually derived from crucian carp, and both are still classified as the same species; crucian carp holds significant agricultural value, with a worldwide aquaculture production of 3.096 million tons in 2018.

2025年2月3日 · The Ryukin Goldfish (scientific name: Carassius auratus) is one of many fancy goldfish varieties. It’s a beloved fish species that has a long history in Asian culture. The exact origins of the Ryukin Goldfish have been long lost to history.

2025年1月17日 · Goldfish, (Carassius auratus), ornamental aquarium and pond fish of the carp family (Cyprinidae) native to East Asia but introduced into many other areas. The goldfish resembles the carp (Cyprinus carpio) but differs from its relative in having no mouth barbels. It was domesticated by the Chinese.