Can Apistogramma uaupesi and Green Terror Live Together?
Apistogramma uaupesi and Green Terror 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 Green Terror?
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.
Shared setup supplies
We may earn from qualifying purchases
Behaviour & Temperament
Apistogramma uaupesi is a moderately assertive species (5/10), while Green Terror is semi-aggressive (8/10). This modest difference means Green Terror may occasionally assert dominance over Apistogramma uaupesi.
Apistogramma uaupesi and Green Terror 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.
Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species. Two territorial species may clash over territory, especially in smaller tanks.
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 Apistogramma uaupesi (4–6) and Green Terror (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.
Water care products
We may earn from qualifying purchases
Tank Setup
To house Apistogramma uaupesi and Green Terror together, plan for an aquarium of at least 200 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Note a potential conflict in setup requirements: Green Terror is a plant destroyer, which conflicts with Apistogramma uaupesi's requirement for live plants. Compromise where possible or prioritise the more critical need.
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 uaupesi and Green Terror.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
Feeding products to consider
We may earn from qualifying purchases
.webp?2026-04-25T14%3A35%3A38.022Z)
Frequently Asked Questions
Can Apistogramma uaupesi and Green Terror 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 Green Terror need?
A minimum of 200 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 uaupesi and Green Terror 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 uaupesi or Green Terror aggressive?
Apistogramma uaupesi is moderately assertive (5/10) and Green Terror is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Apistogramma uaupesi and Green Terror need?
Their pH requirements do not overlap. Apistogramma uaupesi prefers 4–6, while Green Terror 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.
Related Comparisons
Apistogramma uaupesi & Aequidens diadema (Diadem Cichlid)
·
Apistogramma uaupesi & Aequidens sp. Atabapo
·
Apistogramma uaupesi & Agassiz's Dwarf Cichlid
·
Apistogramma uaupesi & Apistogramma atahualpa
·
Apistogramma uaupesi & Apistogramma baenschi (Inca 50)
·
Apistogramma uaupesi & Apistogramma Black-Chin
·
Green Terror & Andinoacara sp. Gold Saum
·
Green Terror & Blue Acara
·
Green Terror & Oscar
·
Green Terror & Parrot Cichlid
·
Green Terror & Platinum Acara
·
Green Terror & Red Terror (Festa's Cichlid)
·