Can Auratus Cichlid (Mbuna) and Red Tailed Black Shark Live Together?
Auratus Cichlid (Mbuna) and Red Tailed Black Shark 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
Behaviour & Temperament
Auratus Cichlid (Mbuna) is a highly aggressive species (9/10), while Red Tailed Black Shark is semi-aggressive (7/10). This modest difference means Auratus Cichlid (Mbuna) may occasionally assert dominance over Red Tailed Black Shark.
Both Auratus Cichlid (Mbuna) and Red Tailed Black Shark are highly aggressive, increasing the risk of violent confrontations.
Auratus Cichlid (Mbuna) and Red Tailed Black Shark 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: Two territorial species may clash over territory, especially in smaller tanks.
Worth noting: Red Tailed Black Shark 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 28°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.
The pH requirements of Auratus Cichlid (Mbuna) (7.6–8.6) and Red Tailed Black Shark (6.5–7.5) 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. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Auratus Cichlid (Mbuna) and Red Tailed Black Shark together, plan for an aquarium of at least 250 litres with a minimum length of 120 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.
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), Driftwood (Digestion/Hiding), Plants - Densely covered, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Note a potential conflict in setup requirements: Auratus Cichlid (Mbuna) is a plant destroyer, which conflicts with Red Tailed Black Shark's requirement for live plants. Compromise where possible or prioritise the more critical need.
Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.
Find the right tank equipment
Browse tanks, décor, and equipment suited for this setup.
Frequently Asked Questions
Can Auratus Cichlid (Mbuna) and Red Tailed Black Shark 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 Red Tailed Black Shark need?▾
A minimum of 250 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 Red Tailed Black Shark 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 Auratus Cichlid (Mbuna) or Red Tailed Black Shark aggressive?▾
Auratus Cichlid (Mbuna) is highly aggressive (9/10) and Red Tailed Black Shark is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Auratus Cichlid (Mbuna) and Red Tailed Black Shark need?▾
Their pH requirements do not overlap. Auratus Cichlid (Mbuna) prefers 7.6–8.6, while Red Tailed Black Shark needs 6.5–7.5. 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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