Can Pink Tailed Chalceus and Telmatochromis dhonti Live Together?
Pink Tailed Chalceus 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
Can your tank handle Pink Tailed Chalceus 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.
Behaviour & Temperament
Pink Tailed Chalceus 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 Pink Tailed Chalceus.
In terms of spatial distribution, Pink Tailed Chalceus prefers the Top (Surface) zone, whereas Telmatochromis dhonti occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Worth noting: Pink Tailed Chalceus 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 Pink Tailed Chalceus (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 Pink Tailed Chalceus and Telmatochromis dhonti together, plan for an aquarium of at least 264 litres with a minimum length of 120 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: Driftwood (Digestion/Hiding), Plants - Floating, Sand (Sifters), 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
Pink Tailed Chalceus 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.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Pink Tailed Chalceus and Telmatochromis dhonti.
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
Show 1 more tank size
Frequently Asked Questions
Can Pink Tailed Chalceus 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 Pink Tailed Chalceus and Telmatochromis dhonti need?
A minimum of 264 litres (tank length at least 120 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 Pink Tailed Chalceus 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 Pink Tailed Chalceus or Telmatochromis dhonti aggressive?
Pink Tailed Chalceus 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 Pink Tailed Chalceus and Telmatochromis dhonti need?
Their pH requirements do not overlap. Pink Tailed Chalceus 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.
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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?
- Contact the editorial team
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