Fancy goldfish care

Water temperature

65–74°F

A fancy goldfish wants water at 65–74°F, pH 7–8, and a tank of 30 gallons or bigger. Good tank mates include goldfish, crayfish, dojo loaches.

Slow and round. Do not mix with fast, single-tail goldfish or nippers.

Carassius auratus (fancy)

pH

7–8

Minimum tank

30 gal

Adult size

6.0 in

Temperament

Peaceful

Group

Alone or in pairs

Lifespan

10–15 years

Swims at

All levels

Diet

Omnivore

Best tank mates

• GoldfishYes
• CrayfishYes
• Dojo loachYes
• Zebra danioYes
• Gold barbYes
• Hillstream loachYes
• PlatyYes
• Panda coryYes
• Odessa barbYes

Full fancy goldfish tank mate chart: 9 yes, 5 with care, 84 no

Fancy goldfish water compared

Fish to keep away from fancy goldfish

• Betta Fancy goldfish are coldwater animals (65–74°F); bettas need 76–82°F. No temperature suits both.
• Axolotl Fish nibble at axolotl gills, and axolotls swallow small fish. Keep axolotls on their own.
• Cherry shrimp A fancy goldfish is big enough to swallow adult cherry shrimp.
• Ghost shrimp A fancy goldfish is big enough to swallow adult ghost shrimp.
• Paradise fish Paradise fish nip fins, and the long fins of fancy goldfish are an easy target.
• Rosy barb Rosy barbs nip fins, and the long fins of fancy goldfish are an easy target.
• Guppy Fancy goldfish are coldwater animals (65–74°F); guppies need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.
• Angelfish Fancy goldfish are coldwater animals (65–74°F); angelfish need 76–84°F. No temperature suits both.

More barbs, danios, rasboras and sharks

• Goldfish60–74°F
• Koi59–77°F
• Tiger barb72–81°F
• Red tail shark72–79°F
• Rainbow shark72–80°F
• Bala shark72–82°F
• Celestial pearl danio72–79°F
• Zebra danio65–77°F