


Species Profile
Peacock Cichlid
Aulonocara stuartgranti
Cichlidssemi-aggressive
Adult size
6″
Minimum tank
55 gal
Temperature
75–82°F
pH
7.8–8.6
Schooling
Solitary OK
Water level
mid
Grows from juvenile
Typically sold at ~2″ and reaches 6″ over ~1 year. Plan tank size for the adult, not the fish at purchase.Diet
Sinking pellets, frozen
Notes
Iridescent Lake Malawi cichlid in many color morphs (sunshine, ruby red, blue). Males develop full color with age and dominance; subordinates and females stay drab. Wants hard alkaline water and similarly-sized tankmates.
Compatible Tankmates
Best tank mates for Peacock Cichlid
Every species below passes the compatibility engine when paired with Peacock Cichlidin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Platy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Molly
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Swordtail
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Bronze Corydoras
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Bloodfin Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Boesemani Rainbowfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Sailfin Molly
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Buenos Aires Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Three-Spot Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Convict Cichlid
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Denison's Barb
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Riftreef / Wikimedia Commons · Source · CC-BY-2.5