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Fancy Goldfish

Carassius auratus

Fancy Goldfish (Carassius auratus)

Photo: Wikipedia / Wikimedia Commons

Slower and slightly smaller than commons, still a waste factory. 20 gallons is a floor for one, not a school.

Slower goldfish, still a waste factory.

In the tank

  • Pet fish for a cool, filtered 20-plus — one fish, not a school.
Water
freshwater
Temperament
Peaceful
Swims
All levels
Adult size
8 in
Minimum tank
20 gal
Group
Can be kept singly
Temperature
50–74°F
pH
7.0–8.0
Diet
Sinking pellets, gel food, peas. Watch for swim bladder issues with cheap floating flakes.
Beginner
Not a first fish

How to keep them

  • Sinking food. Watch swim bladder on cheap floating flakes.
  • 20 gallons is a floor for one.

Tankmates

Other fancies. Not commons that out-compete them.

Avoid

Tropical community mixes.

Check tankmates · Stocking calculator

Same group