Fauna
Species · GBIF taxon 4286942

Goldfish

Carassius auratus

Also known as Domesticated Goldfish, Golden Carp

Selective breeding over more than a millennium in China transformed wild carp into vibrant, highly varied ornamental fish with exceptional memory and social recognition. Goldfish process sound using specialized Weberian ossicles and possess trichromatic vision that enables them to see ultraviolet light alongside visible color. When released into natural waterways, these hardy generalists rapidly revert to dull olive colors, reach surprising sizes, and disrupt native ecosystems by stirring up benthic sediment.

FreshwaterAquaticDomesticated
Goldfish reference1 / 7
Licensed referenceלינה אבוגוש / CC BY-SA 3.0 · cc-by-sa
—observations
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & prey
  • Aquatic Insects
  • Algae
  • Small Crustaceans
Predators
  • Herons
  • Kingfishers
  • Pike
ThreatsPredation by larger fish and aquatic birds; water pollution in wild populations
HabitatsPonds, slow-moving rivers, lakes, flooded ditches, aquariums
Life span10–15 years in captivity (up to 30+ years with proper care)
Classification
  1. OrderCypriniformes
  2. FamilyCyprinidae
  3. GenusCarassius
  4. SpeciesCarassius auratus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Observation: Look for active foraging along pond bottoms where individuals sift through sediment for food.
  • Aquarium Care: Provide ample water volume and filtration as these generalists produce substantial metabolic waste.
  • Conservation: Never release captive individuals into local waterways where they easily become invasive.
Related species
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