CheckMyFishTank

Black Moor Goldfish care

Carassius auratus · Freshwater · Intermediate level care

Black Moor Goldfish, painted illustration

A black, fancy goldfish with big telescope eyes and poor eyesight.

Smallest tank40 gallons
Adult size8 inches
Temperature65 to 76°F
pH6.5 to 8
GroupFine on its own
TemperamentPeaceful
SwimsAll levels
Lives10 to 15 years
Watch for: They see poorly and get outcompeted at feeding, so keep them with other slow fancy goldfish.

Feeding

Twice a day. Only what they finish in about 2 minutes, since goldfish always beg for more. Goldfish pellets, blanched vegetables, occasional protein.

Has long fins that fin nippers target.

Good tank mates

Fish that pass every check with Black Moor Goldfish in a 80 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.

Do not mix with

  • Pearl Gourami: Pearl Gourami and Black Moor Goldfish need different water temperatures.
  • Moonlight Gourami: Moonlight Gourami and Black Moor Goldfish need different water temperatures.
  • German Blue Ram: German Blue Ram and Black Moor Goldfish need different water temperatures.
  • Discus: Discus and Black Moor Goldfish need different water temperatures.
  • Convict Cichlid: Convict Cichlid is aggressive and will bully peaceful Black Moor Goldfish.
  • Jack Dempsey: Jack Dempsey is aggressive and will bully peaceful Black Moor Goldfish.
  • Green Terror: Green Terror is aggressive and will bully peaceful Black Moor Goldfish.
  • Red Zebra Cichlid: Red Zebra Cichlid is aggressive and will bully peaceful Black Moor Goldfish.

Questions

What size tank does a Black Moor Goldfish need?

At least 40 gallons. Adults grow to about 8 inches, so plan for the adult size, not the size at the store.

What temperature does a Black Moor Goldfish like?

65 to 76 degrees Fahrenheit, with a pH of about 6.5 to 8. A steady temperature matters more than hitting one exact number.

How many Black Moor Goldfish should I keep together?

One is fine, and they can also live in small groups if the tank is big enough.

What do Black Moor Goldfish eat?

Goldfish pellets, blanched vegetables, occasional protein. Feed twice a day: only what they finish in about 2 minutes, since goldfish always beg for more.

Sources

Checked against these sources on 2026-11-10. When sources disagree we use the safer number.