Can Demasoni Cichlid (Mbuna) and Dourada Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Demasoni Cichlid (Mbuna) and Dourada 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

Demasoni Cichlid (Mbuna)

Chindongo demasoni

Dourada

Brachyplatystoma rousseauxii

🐠Family Group
Demasoni Cichlid (Mbuna)
Cichlids - African
Dourada
Catfish
Temperament
Demasoni Cichlid (Mbuna)
Highly Aggressive (9/10)
Dourada
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Demasoni Cichlid (Mbuna)
24–28°C
Dourada
24–29°C
pH Range
✗ No overlap
Demasoni Cichlid (Mbuna)
7.6–8.6
Dourada
6–7.5
Hardness (dGH)
✓ Compatible
Demasoni Cichlid (Mbuna)
10–25
Dourada
2–15
Water Type
✓ Compatible
Demasoni Cichlid (Mbuna)
Freshwater Only
Dourada
Freshwater Only
Flow Preference
✓ Compatible
Demasoni Cichlid (Mbuna)
High
Dourada
High
Min Tank Volume
Combined: 15000 L
Demasoni Cichlid (Mbuna)
200 L
Dourada
15000 L
Swimming Level
Shared: 2 zones
Demasoni Cichlid (Mbuna)
BottomMiddle
Dourada
MiddleBottom
🏷️Behavior Tags
Demasoni Cichlid (Mbuna)
Aggressive to same species/look-alikesTerritorial (Defends specific area)Plant DestroyerDigger (Disturbs Substrate)Hyperactive / Fast SwimmerGenerally Aggressive
Dourada
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerJumper (Lid Required)Plant Destroyer
Stocking calculator

Can your tank handle Demasoni Cichlid (Mbuna) and Dourada?

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.

Demasoni Cichlid (Mbuna)
Dourada
Test both in my tank

Behaviour & Temperament

Demasoni Cichlid (Mbuna) is a highly aggressive species (9/10), while Dourada is moderately assertive (6/10). This modest difference means Demasoni Cichlid (Mbuna) may occasionally assert dominance over Dourada.

Demasoni Cichlid (Mbuna) and Dourada both frequent the Bottom (Substrate) and 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.

Worth noting: Dourada is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

The pH requirements of Demasoni Cichlid (Mbuna) (7.6–8.6) and Dourada (6–7.5) 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 Demasoni Cichlid (Mbuna) and Dourada together, plan for an aquarium of at least 15000 litres with a minimum length of 600 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). Meeting these requirements will help both species thrive.

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

Why This Pairing Usually Fails in Practice

Demasoni Cichlid (Mbuna) and Dourada 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 Demasoni Cichlid (Mbuna) and Dourada live together?

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

What size tank do Demasoni Cichlid (Mbuna) and Dourada need?

A minimum of 15000 litres (tank length at least 600 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 Demasoni Cichlid (Mbuna) and Dourada together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Demasoni Cichlid (Mbuna) or Dourada aggressive?

Demasoni Cichlid (Mbuna) is highly aggressive (9/10) and Dourada is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Demasoni Cichlid (Mbuna) and Dourada need?

Their pH requirements do not overlap. Demasoni Cichlid (Mbuna) prefers 7.6–8.6, while Dourada needs 6–7.5. This makes them incompatible in the same water chemistry.

How do I manage Demasoni Cichlid (Mbuna)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Demasoni Cichlid (Mbuna) 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 4, 2026
Last updated
May 4, 2026
Issues or corrections?
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