Peacock Cichlid

Peacock Cichlid

Aulonocara sp.

Family: Cichlidae • Origin: Africa

Peacock Cichlids are the more peaceful African cichlids with stunning metallic blue, red, and yellow colors. Less aggressive than Mbuna.

Min Tank
55 gal
Max Size
6"
Temperature
76-82°F
pH
7.5-8.5
Lifespan
8 years
School Size
Solo OK
Swim Level
middle
Hardness
12-25 dGH
semi-aggressiveintermediateomnivore

Is Peacock Cichlid Right for Your Tank?

Peacock Cichlid is an excellent choice for beginners — rated "intermediate" difficulty (2/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. They need at least 55 gallons — a mid-size tank commitment. Plan your space accordingly.

Peacock Cichlid is semi-aggressive — they can live with others but may bully smaller or slower fish. Choose tank mates carefully. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 8 years with proper care.

Common Mistakes with Peacock Cichlid

Relying on a heater without a thermometer

Peacock Cichlid needs 7682°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.

Putting them in a tank under 55 gallons

Many beginners underestimate tank size needs. Peacock Cichlid requires at least 55 gallons — ideally 75. Cramped tanks lead to stunted growth, aggression, and poor water quality.

Housing with peaceful nano fish

Peacock Cichlid is semi-aggressive and territorial — small, peaceful species like neon tetras, endlers, or celestial pearl danios will be stressed, bullied, or eaten. Choose tank mates that can hold their own.

Care Tips

  • Less aggressive than Mbuna
  • Hard alkaline water (pH 7.5-8.5)
  • Males are colorful, females plain
  • Keep 1 male to 3-4 females per variety
  • Sand substrate — they sift for food

Feeding: Cichlid pellets, frozen foods. Mix of meaty and plant-based.

Compatibility Notes: Less aggressive than Mbuna. Can be kept with other peacocks and mild haps. Hard alkaline water only.

Tank Setup & Water Parameters

Tank Requirements

Minimum Tank Size
55 gallons
Recommended Tank Size
75 gallons
Swimming Level
middle

Water Parameters

Temperature
7682°F
pH Range
7.58.5
Hardness (dGH)
1225
Water Type
freshwater

Behavior & Temperament

Temperament
semi-aggressive
Aggression Level
3/5
Schooling
No
Territorial
Yes
Fin Nipper
No
Predatory
No
Diet Type
omnivore
Growth Rate
moderate

Less aggressive than Mbuna. Can be kept with other peacocks and mild haps. Hard alkaline water only.

Breeding

Breeding Type
mouth brooder
Breeding Difficulty
easy
Lifespan
8 years

Ideal For

55 galloncichlid tank

Compatible Tank Mates

View all →

Similar Species