Can Dourada and Telmatochromis dhonti Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Dourada and Telmatochromis dhonti 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

Dourada

Brachyplatystoma rousseauxii

Telmatochromis dhonti

Telmatochromis dhonti

🐠Family Group
Dourada
Catfish
Telmatochromis dhonti
Cichlids - African
Temperament
Dourada
Semi-Aggressive (6/10)
Telmatochromis dhonti
Aggressive (8/10)
Temperature
✓ Compatible
Dourada
24–29°C
Telmatochromis dhonti
24–28°C
pH Range
✗ No overlap
Dourada
6–7.5
Telmatochromis dhonti
7.8–9
Hardness (dGH)
✓ Compatible
Dourada
2–15
Telmatochromis dhonti
10–25
Water Type
✓ Compatible
Dourada
Freshwater Only
Telmatochromis dhonti
Freshwater Only
Flow Preference
✓ Compatible
Dourada
High
Telmatochromis dhonti
Moderate
Min Tank Volume
Combined: 15000 L
Dourada
15000 L
Telmatochromis dhonti
120 L
Swimming Level
Shared: 1 zone
Dourada
MiddleBottom
Telmatochromis dhonti
Bottom
🏷️Behavior Tags
Dourada
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerJumper (Lid Required)Plant Destroyer
Telmatochromis dhonti
Territorial (Defends specific area)Aggressive to same species/look-alikesGenerally AggressiveDigger (Disturbs Substrate)Fry Predator
Stocking calculator

Can your tank handle Dourada and Telmatochromis dhonti?

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.

Dourada
Telmatochromis dhonti
Test both in my tank

Behaviour & Temperament

Dourada is a moderately assertive species (6/10), while Telmatochromis dhonti is semi-aggressive (8/10). This modest difference means Telmatochromis dhonti may occasionally assert dominance over Dourada.

Dourada and Telmatochromis dhonti both frequent the Bottom (Substrate) 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 Dourada (6–7.5) and Telmatochromis dhonti (7.8–9) 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 Dourada and Telmatochromis dhonti 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), Smooth Gravel (Sensitive Barbels), Shells (Breeding/Hiding). 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

Dourada and Telmatochromis dhonti 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 Dourada and Telmatochromis dhonti live together?

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

What size tank do Dourada and Telmatochromis dhonti 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 Dourada and Telmatochromis dhonti 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 Dourada or Telmatochromis dhonti aggressive?

Dourada is moderately assertive (6/10) and Telmatochromis dhonti is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Dourada and Telmatochromis dhonti need?

Their pH requirements do not overlap. Dourada prefers 6–7.5, while Telmatochromis dhonti needs 7.8–9. This makes them incompatible in the same water chemistry.

How do I manage Telmatochromis dhonti's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Telmatochromis dhonti 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
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