Can Afra Cichlid and Peacock Bass Orinocensis Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Afra Cichlid and Peacock Bass Orinocensis are not recommended as tank mates due to conflicting pH requirements. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Afra Cichlid

Cynotilapia afra

Peacock Bass Orinocensis

Cichla orinocensis

🐠Family Group
Afra Cichlid
Cichlids - African
Peacock Bass Orinocensis
Cichlids - South American
Temperament
Afra Cichlid
Aggressive (8/10)
Peacock Bass Orinocensis
Aggressive (8/10)
Temperature
✓ Compatible
Afra Cichlid
24–28°C
Peacock Bass Orinocensis
26–31°C
pH Range
✗ No overlap
Afra Cichlid
7.6–8.6
Peacock Bass Orinocensis
5.5–7.5
Hardness (dGH)
✓ Compatible
Afra Cichlid
10–25
Peacock Bass Orinocensis
2–15
Water Type
✓ Compatible
Afra Cichlid
Freshwater Only
Peacock Bass Orinocensis
Freshwater Only
Flow Preference
✓ Compatible
Afra Cichlid
Moderate
Peacock Bass Orinocensis
Moderate
Min Tank Volume
Combined: 750 L
Afra Cichlid
200 L
Peacock Bass Orinocensis
750 L
Swimming Level
Shared: 1 zone
Afra Cichlid
MiddleBottom
Peacock Bass Orinocensis
MiddleTop
🏷️Behavior Tags
Afra Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerFry PredatorHyperactive / Fast Swimmer
Peacock Bass Orinocensis
Piscivore (Eats small/nano fish)Generally AggressiveTerritorial (Defends specific area)Jumper (Lid Required)Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
Stocking calculator

Can your tank handle Afra Cichlid and Peacock Bass Orinocensis?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Afra Cichlid
Peacock Bass Orinocensis
Test both in my tank

Behaviour & Temperament

Both Afra Cichlid and Peacock Bass Orinocensis are semi-aggressive species with an aggression score of 8/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Both Afra Cichlid and Peacock Bass Orinocensis are highly aggressive, increasing the risk of violent confrontations.

Afra Cichlid and Peacock Bass Orinocensis both frequent the Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Additional behavioural considerations to keep in mind: Two territorial species may clash over territory, especially in smaller tanks. Two aggressive species housed together increases risk of fighting.

Worth noting: Peacock Bass Orinocensis is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 26°C and 28°C. Aim for the midpoint of this range (around 27.0°C) for optimal comfort.

The pH requirements of Afra Cichlid (7.6–8.6) and Peacock Bass Orinocensis (5.5–7.5) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Afra Cichlid and Peacock Bass Orinocensis together, plan for an aquarium of at least 750 litres with a minimum length of 200 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Sand (Sifters), Established Algae (Otocinclus), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Afra Cichlid and Peacock Bass Orinocensis are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Frequently Asked Questions

Can Afra Cichlid and Peacock Bass Orinocensis live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Afra Cichlid and Peacock Bass Orinocensis need?

A minimum of 750 litres (tank length at least 200 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Afra Cichlid and Peacock Bass Orinocensis together?

Keep the aquarium between 26°C and 28°C. A target of around 27.0°C sits comfortably within both species' preferred ranges.

Are Afra Cichlid or Peacock Bass Orinocensis aggressive?

Afra Cichlid is semi-aggressive (8/10) and Peacock Bass Orinocensis is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Afra Cichlid and Peacock Bass Orinocensis need?

Their pH requirements do not overlap. Afra Cichlid prefers 7.6–8.6, while Peacock Bass Orinocensis needs 5.5–7.5. This makes them incompatible in the same water chemistry.

How do I manage Afra Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Afra Cichlid space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 7, 2026
Last updated
May 7, 2026
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