Can Arrowhead Puffer and Auratus Cichlid (Mbuna) Live Together?
Arrowhead Puffer and Auratus Cichlid (Mbuna) 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 Arrowhead Puffer and Auratus Cichlid (Mbuna)?
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
Arrowhead Puffer is a highly aggressive species (10/10), while Auratus Cichlid (Mbuna) is highly aggressive (9/10). This modest difference means Arrowhead Puffer may occasionally assert dominance over Auratus Cichlid (Mbuna).
Both Arrowhead Puffer and Auratus Cichlid (Mbuna) are highly aggressive, increasing the risk of violent confrontations.
Arrowhead Puffer and Auratus Cichlid (Mbuna) 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.
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 aggressive species housed together increases risk of fighting.
Water Parameters
The safe temperature window for both species falls between 23°C and 28°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.
The pH requirements of Arrowhead Puffer (6.5–7.5) and Auratus Cichlid (Mbuna) (7.6–8.6) 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.
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Tank Setup
To house Arrowhead Puffer and Auratus Cichlid (Mbuna) together, plan for an aquarium of at least 269 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). 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 Arrowhead Puffer and Auratus Cichlid (Mbuna).
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 Arrowhead Puffer and Auratus Cichlid (Mbuna) live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Arrowhead Puffer and Auratus Cichlid (Mbuna) need?
A minimum of 269 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 Arrowhead Puffer and Auratus Cichlid (Mbuna) together?
Keep the aquarium between 23°C and 28°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.
Are Arrowhead Puffer or Auratus Cichlid (Mbuna) aggressive?
Arrowhead Puffer is highly aggressive (10/10) and Auratus Cichlid (Mbuna) is highly aggressive (9/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Arrowhead Puffer and Auratus Cichlid (Mbuna) need?
Their pH requirements do not overlap. Arrowhead Puffer prefers 6.5–7.5, while Auratus Cichlid (Mbuna) needs 7.6–8.6. 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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