Can Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) Live Together?

🔴Not Recommended

Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) are not recommended as tank mates due to incompatible water types. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Banded Archerfish (Brackish)

Toxotes jaculatrix

Demasoni Cichlid (Mbuna)

Chindongo demasoni

🐠Family Group
Banded Archerfish (Brackish)
Oddballs
Demasoni Cichlid (Mbuna)
Cichlids - African
Temperament
Banded Archerfish (Brackish)
Semi-Aggressive (6/10)
Demasoni Cichlid (Mbuna)
Highly Aggressive (9/10)
Temperature
✓ Compatible
Banded Archerfish (Brackish)
24–30°C
Demasoni Cichlid (Mbuna)
24–28°C
pH Range
✓ Compatible
Banded Archerfish (Brackish)
7–8.5
Demasoni Cichlid (Mbuna)
7.6–8.6
Hardness (dGH)
✓ Compatible
Banded Archerfish (Brackish)
15–30
Demasoni Cichlid (Mbuna)
10–25
Water Type
✗ No overlap
Banded Archerfish (Brackish)
Brackish Required
Demasoni Cichlid (Mbuna)
Freshwater Only
Flow Preference
✓ Compatible
Banded Archerfish (Brackish)
Moderate
Demasoni Cichlid (Mbuna)
High
Min Tank Volume
Combined: 360 L
Banded Archerfish (Brackish)
300 L
Demasoni Cichlid (Mbuna)
200 L
Swimming Level
✓ Different zones
Banded Archerfish (Brackish)
Top
Demasoni Cichlid (Mbuna)
BottomMiddle
🏷️Behavior Tags
Banded Archerfish (Brackish)
Piscivore (Eats small/nano fish)Jumper (Lid Required)Hyperactive / Fast SwimmerAggressive to same species/look-alikes
Demasoni Cichlid (Mbuna)
Aggressive to same species/look-alikesTerritorial (Defends specific area)Plant DestroyerDigger (Disturbs Substrate)Hyperactive / Fast SwimmerGenerally Aggressive

Behaviour & Temperament

Banded Archerfish (Brackish) is a moderately assertive species (6/10), while Demasoni Cichlid (Mbuna) is highly aggressive (9/10). This modest difference means Demasoni Cichlid (Mbuna) may occasionally assert dominance over Banded Archerfish (Brackish).

In terms of spatial distribution, Banded Archerfish (Brackish) prefers the Top (Surface) zone, whereas Demasoni Cichlid (Mbuna) occupies the Bottom (Substrate) and Middle (Open Water) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Banded Archerfish (Brackish) 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.

Both fish can tolerate a pH between 7.6 and 8.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 15–25 dGH. Regular testing will ensure conditions stay within this range.

Crucially, these species require different water types — one needs freshwater while the other requires brackish conditions. This is a hard barrier to keeping them together.

Tank Setup

To house Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) together, plan for an aquarium of at least 360 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), Driftwood (Digestion/Hiding), 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.

Frequently Asked Questions

Can Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) live together?

No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.

What size tank do Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) need?

A minimum of 360 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 Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) 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 Banded Archerfish (Brackish) or Demasoni Cichlid (Mbuna) aggressive?

Banded Archerfish (Brackish) is moderately assertive (6/10) and Demasoni Cichlid (Mbuna) is highly aggressive (9/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Banded Archerfish (Brackish) and Demasoni Cichlid (Mbuna) need?

Both species overlap in the 7.6–8.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Demasoni Cichlid (Mbuna)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Demasoni 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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