CheckMyFishTank

Blue Peacock Cichlid care

Aulonocara nyassae · Freshwater · Intermediate level care

Blue Peacock Cichlid, painted illustration

A showy, calmer African cichlid that is best with other peacocks or haps.

Smallest tank55 gallons
Adult size6 inches
Temperature75 to 82°F
pH7.8 to 8.6
GroupFine on its own
TemperamentSemi aggressive
SwimsBottom of the tank
Lives6 to 8 years
Watch for: They can eat small fish, and are bullied by mbuna, so keep them with calmer species.

Feeding

Once a day. A small pinch they finish in about 2 minutes, a little more for bigger fish. Cichlid pellets, frozen brine shrimp, mysis.

Eats fish small enough to fit in its mouth.

Good tank mates

Fish that pass every check with Blue Peacock Cichlid in a 110 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.

Do not mix with

  • Neon Tetra: Blue Peacock Cichlid grows big enough to eat Neon Tetra.
  • Cardinal Tetra: Blue Peacock Cichlid grows big enough to eat Cardinal Tetra.
  • Green Neon Tetra: Blue Peacock Cichlid grows big enough to eat Green Neon Tetra.
  • Black Neon Tetra: Blue Peacock Cichlid grows big enough to eat Black Neon Tetra.
  • Ember Tetra: Blue Peacock Cichlid grows big enough to eat Ember Tetra.
  • Lemon Tetra: Blue Peacock Cichlid grows big enough to eat Lemon Tetra.
  • Glowlight Tetra: Blue Peacock Cichlid grows big enough to eat Glowlight Tetra.
  • Serpae Tetra: Blue Peacock Cichlid grows big enough to eat Serpae Tetra.

Questions

What size tank does a Blue Peacock Cichlid need?

At least 55 gallons. Adults grow to about 6 inches, so plan for the adult size, not the size at the store.

What temperature does a Blue Peacock Cichlid like?

75 to 82 degrees Fahrenheit, with a pH of about 7.8 to 8.6. A steady temperature matters more than hitting one exact number.

How many Blue Peacock Cichlid should I keep together?

One is fine. If you keep more, keep one male, since males fight each other.

What do Blue Peacock Cichlid eat?

Cichlid pellets, frozen brine shrimp, mysis. Feed once a day: a small pinch they finish in about 2 minutes, a little more for bigger fish.

Sources

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