Can Apistogramma uaupesi and Zebra Danio Live Together?
Apistogramma uaupesi and Zebra Danio 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 Apistogramma uaupesi and Zebra Danio?
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
Apistogramma uaupesi is a moderately assertive species (5/10), while Zebra Danio is generally mild-mannered (3/10). This modest difference means Apistogramma uaupesi may occasionally assert dominance over Zebra Danio.
In terms of spatial distribution, Apistogramma uaupesi prefers the Bottom (Substrate) zone, whereas Zebra Danio occupies the Top (Surface) 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.
Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Aggressive eaters may outcompete shy fish for food, leading to malnutrition.
Worth noting: Zebra Danio 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 26°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.
The pH requirements of Apistogramma uaupesi (4–6) and Zebra Danio (6.5–8) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 5–5 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Apistogramma uaupesi and Zebra Danio together, plan for an aquarium of at least 60 litres with a minimum length of 60 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Apistogramma uaupesi prefers Low (Still Water) flow while Zebra Danio needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Apistogramma uaupesi and Zebra Danio.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
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Diet & Feeding
Feeding time deserves special attention with this pairing. Zebra Danio is an aggressive eater that may prevent Apistogramma uaupesi from getting enough food.
Because Zebra Danio is a fast, competitive feeder, consider using sinking pellets or feeding at opposite ends of the setup to ensure Apistogramma uaupesi receives an adequate share.
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Frequently Asked Questions
Can Apistogramma uaupesi and Zebra Danio live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Apistogramma uaupesi and Zebra Danio need?
A minimum of 60 litres (tank length at least 60 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 uaupesi and Zebra Danio together?
Keep the aquarium between 24°C and 26°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.
Are Apistogramma uaupesi or Zebra Danio aggressive?
Apistogramma uaupesi is moderately assertive (5/10) and Zebra Danio is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Apistogramma uaupesi and Zebra Danio need?
Their pH requirements do not overlap. Apistogramma uaupesi prefers 4–6, while Zebra Danio needs 6.5–8. This makes them incompatible in the same water chemistry.
Will Zebra Danio nip Apistogramma uaupesi's fins?
Zebra Danio is a known fin nipper. If Apistogramma uaupesi has long or flowing fins, there is a real risk of fin damage. Keeping Zebra Danio in a larger group can help redirect nipping behaviour toward conspecifics.
How do I manage Apistogramma uaupesi's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma uaupesi 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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