Can Apistogramma macmasteri and Banded Archerfish (Brackish) Live Together?
Apistogramma macmasteri and Banded Archerfish (Brackish) are not recommended as tank mates due to incompatible water types 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 Apistogramma macmasteri and Banded Archerfish (Brackish)?
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
Both Apistogramma macmasteri and Banded Archerfish (Brackish) are moderately assertive species with an aggression score of 6/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.
In terms of spatial distribution, Apistogramma macmasteri prefers the Bottom (Substrate) and Middle (Open Water) zones, whereas Banded Archerfish (Brackish) occupies the Top (Surface) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.
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 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.
Hardness requirements are incompatible: Apistogramma macmasteri needs 1–10 dGH while Banded Archerfish (Brackish) requires 15–30 dGH.
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.
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Tank Setup
To house Apistogramma macmasteri and Banded Archerfish (Brackish) together, plan for an aquarium of at least 300 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), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Plants - Densely covered. Meeting these requirements will help both species thrive.
Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Apistogramma macmasteri and Banded Archerfish (Brackish).
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
450 Liter (150cm Standard)
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Frequently Asked Questions
Can Apistogramma macmasteri and Banded Archerfish (Brackish) live together?
No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.
What size tank do Apistogramma macmasteri and Banded Archerfish (Brackish) need?
A minimum of 300 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 Apistogramma macmasteri and Banded Archerfish (Brackish) 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 Apistogramma macmasteri or Banded Archerfish (Brackish) aggressive?
Apistogramma macmasteri is moderately assertive (6/10) and Banded Archerfish (Brackish) is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Apistogramma macmasteri and Banded Archerfish (Brackish) need?
Both species overlap in the 7–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
How do I manage Apistogramma macmasteri's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma macmasteri 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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