Can Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) Live Together?
Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) 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
Duboisi Cichlid (Tropheus) is a semi-aggressive species (8/10), while Reedfish (Ropefish) is generally mild-mannered (3/10). This notable difference means Duboisi Cichlid (Tropheus) may occasionally assert dominance over Reedfish (Ropefish).
Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) 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.
Worth noting: Reedfish (Ropefish) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Reedfish (Ropefish) 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 Duboisi Cichlid (Tropheus) (8–9) and Reedfish (Ropefish) (6–7.5) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 10–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) together, plan for an aquarium of at least 336 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), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Plants - Densely covered. Meeting these requirements will help both species thrive.
Note a potential conflict in setup requirements: Duboisi Cichlid (Tropheus) is a plant destroyer, which conflicts with Reedfish (Ropefish)'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 Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) live together?▾
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) need?▾
A minimum of 336 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 Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) 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 Duboisi Cichlid (Tropheus) or Reedfish (Ropefish) aggressive?▾
Duboisi Cichlid (Tropheus) is semi-aggressive (8/10) and Reedfish (Ropefish) is generally mild-mannered (3/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Duboisi Cichlid (Tropheus) and Reedfish (Ropefish) need?▾
Their pH requirements do not overlap. Duboisi Cichlid (Tropheus) prefers 8–9, while Reedfish (Ropefish) needs 6–7.5. This makes them incompatible in the same water chemistry.
How do I manage Duboisi Cichlid (Tropheus)'s territorial behaviour?▾
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Duboisi Cichlid (Tropheus) 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.
Does Reedfish (Ropefish) being nocturnal affect compatibility?▾
Reedfish (Ropefish) is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Reedfish (Ropefish) during evening hours.
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