Common goldfish care
Carassius auratus
Common goldfish (Carassius auratus) grows to about 30 cm (11.8 in) and needs a tank of at least 400 liters (106 US gallons). Keep it at 10–24 °C (50–75 °F) with a pH of 7–8.4.
FreshwaterEasyPeacefulEats small fishEats plantsOutgrows aquariums
Adult size30 cm · 11.8 in
Smallest tank400 L · 106 gal
Temperature10–24 °C · 50–75 °F
pH7–8.4
GroupGroups of 2+
TemperamentPeaceful
SwimsEverywhere
DietOmnivore
Usually fine with
Avoid with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyCardinal tetraBronze corydorasZebra danioHarlequin rasboraAngelfishMollyBristlenose plecoCherry barb
Track your tank with Guppi
Log water tests by tapping your kit’s colors, get water change reminders and check every tankmate before you buy.
Typical ranges from hobby references, checked by hand. Individual fish and local water vary.
Pez dorado comúnPeixe-douradoPoisson rouge communGoldfischPesce rosso comuneJapon balığı