Species · Aulonocara spp. (profile: A. stuartgranti)

Peacock cichlid: tank size, water and tank mates

Generic entry for Aulonocara; keep away from boisterous mbuna.

Adult size15 cm (5.9 in)
Minimum tank65 US gal
Temperature23–26 °C (73–79 °F)
pH7.7–8.4
Temperamentsemi-aggressive
Keep in groups ofAlone or pairs
Swimsmid
Shrimp & snailsLikely to eat them

Predator: may eat fish up to about 3 cm.

Check a tank with Peacock cichlid

Good tank mates for Peacock cichlid

These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.

Banjo catfish · Betta (male) · Blue acara · Buenos Aires tetra · Bumblebee goby · Clown pleco · Demasoni cichlid · Electric yellow lab · Indian glassfish · Molly · Multies (shell dweller) · Pea puffer · Pearl gourami · Red rainbowfish · Rubber-lip pleco · Sailfin molly · Swordtail · Tiger barb · Turquoise rainbowfish

Avoid with Peacock cichlid

Amano shrimp (predation) · Assassin snail (predation) · Boeseman's rainbowfish (temperature) · Celestial pearl danio (predation) · Cherry shrimp (predation) · Chili rasbora (predation) · Common / comet goldfish (temperature) · CPO dwarf crayfish (predation) · Crystal red shrimp (predation) · Discus (temperature) · Ember tetra (predation) · Emerald dwarf rasbora (predation) · Endler's livebearer (predation) · Fancy goldfish (temperature) · German blue ram (temperature) · Ghost shrimp (predation) · Green neon tetra (predation) · Lambchop rasbora (predation)

Sources

Checked 2026-11-09 · confidence: medium. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.