Can Apistogramma uaupesi and Riffle Shrimp Live Together?
Apistogramma uaupesi and Riffle Shrimp 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 Riffle Shrimp?
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.
Behaviour & Temperament
Apistogramma uaupesi is a moderately assertive species (5/10), while Riffle Shrimp is peaceful (0/10). This notable difference means Apistogramma uaupesi may occasionally assert dominance over Riffle Shrimp.
Apistogramma uaupesi and Riffle Shrimp both frequent the 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: Riffle Shrimp 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 25°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.
The pH requirements of Apistogramma uaupesi (4–6) and Riffle Shrimp (6.5–8) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 4–5 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Apistogramma uaupesi and Riffle Shrimp 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 Riffle Shrimp needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.
Why This Pairing Usually Fails in Practice
Apistogramma uaupesi and Riffle Shrimp are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Apistogramma uaupesi and Riffle Shrimp.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 19 more tank sizes
Frequently Asked Questions
Can Apistogramma uaupesi and Riffle Shrimp 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 Riffle Shrimp 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 Riffle Shrimp together?
Keep the aquarium between 24°C and 25°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.
Are Apistogramma uaupesi or Riffle Shrimp aggressive?
Apistogramma uaupesi is moderately assertive (5/10) and Riffle Shrimp is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Apistogramma uaupesi and Riffle Shrimp need?
Their pH requirements do not overlap. Apistogramma uaupesi prefers 4–6, while Riffle Shrimp needs 6.5–8. This makes them incompatible in the same water chemistry.
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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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 11, 2026
- Last updated
- May 11, 2026
- Issues or corrections?
- Contact the editorial team
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