Can Auratus Cichlid (Mbuna) and Betta Macrostoma Live Together?
Auratus Cichlid (Mbuna) and Betta Macrostoma are not recommended as tank mates due to conflicting pH requirements and incompatible hardness ranges. 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 Auratus Cichlid (Mbuna) and Betta Macrostoma?
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.
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Behaviour & Temperament
Auratus Cichlid (Mbuna) is a highly aggressive species (9/10), while Betta Macrostoma is moderately assertive (6/10). This modest difference means Auratus Cichlid (Mbuna) may occasionally assert dominance over Betta Macrostoma.
Auratus Cichlid (Mbuna) and Betta Macrostoma both frequent the Middle (Open Water) and 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.
Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species. Hyperactive swimmers can stress shy, slow-moving species through constant motion. Two territorial species may clash over territory, especially in smaller tanks.
Worth noting: Betta Macrostoma is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 23°C and 25°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.
The pH requirements of Auratus Cichlid (Mbuna) (7.6–8.6) and Betta Macrostoma (4–6) do not overlap, making it impossible to satisfy both species simultaneously.
Hardness requirements are incompatible: Auratus Cichlid (Mbuna) needs 10–25 dGH while Betta Macrostoma requires 0–5 dGH.
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Tank Setup
To house Auratus Cichlid (Mbuna) and Betta Macrostoma together, plan for an aquarium of at least 283 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: Sand (Sifters), Established Algae (Otocinclus), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Floating. 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.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Auratus Cichlid (Mbuna) and Betta Macrostoma.
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
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Frequently Asked Questions
Can Auratus Cichlid (Mbuna) and Betta Macrostoma live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Auratus Cichlid (Mbuna) and Betta Macrostoma need?
A minimum of 283 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 Auratus Cichlid (Mbuna) and Betta Macrostoma together?
Keep the aquarium between 23°C and 25°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.
Are Auratus Cichlid (Mbuna) or Betta Macrostoma aggressive?
Auratus Cichlid (Mbuna) is highly aggressive (9/10) and Betta Macrostoma is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Auratus Cichlid (Mbuna) and Betta Macrostoma need?
Their pH requirements do not overlap. Auratus Cichlid (Mbuna) prefers 7.6–8.6, while Betta Macrostoma needs 4–6. This makes them incompatible in the same water chemistry.
How do I manage Auratus Cichlid (Mbuna)'s territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Auratus 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.
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