Can Apistogramma Orange-tail and Neolamprologus Pulcher Live Together?
Apistogramma Orange-tail and Neolamprologus Pulcher are not recommended as tank mates due to conflicting pH requirements 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 Orange-tail and Neolamprologus Pulcher?
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 Orange-tail is a moderately assertive species (5/10), while Neolamprologus Pulcher is semi-aggressive (7/10). This modest difference means Neolamprologus Pulcher may occasionally assert dominance over Apistogramma Orange-tail.
Apistogramma Orange-tail and Neolamprologus Pulcher both frequent the Bottom (Substrate) and Middle (Open Water) 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: 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 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.
The pH requirements of Apistogramma Orange-tail (5.5–7.2) and Neolamprologus Pulcher (8–9) do not overlap, making it impossible to satisfy both species simultaneously.
Hardness requirements are incompatible: Apistogramma Orange-tail needs 1–8 dGH while Neolamprologus Pulcher requires 10–25 dGH.
Tank Setup
To house Apistogramma Orange-tail and Neolamprologus Pulcher together, plan for an aquarium of at least 75 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. 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.
Why This Pairing Usually Fails in Practice
Apistogramma Orange-tail and Neolamprologus Pulcher 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 Orange-tail and Neolamprologus Pulcher.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 17 more tank sizes
Frequently Asked Questions
Can Apistogramma Orange-tail and Neolamprologus Pulcher live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Apistogramma Orange-tail and Neolamprologus Pulcher need?
A minimum of 75 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 Orange-tail and Neolamprologus Pulcher together?
Keep the aquarium between 24°C and 27°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.
Are Apistogramma Orange-tail or Neolamprologus Pulcher aggressive?
Apistogramma Orange-tail is moderately assertive (5/10) and Neolamprologus Pulcher is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Apistogramma Orange-tail and Neolamprologus Pulcher need?
Their pH requirements do not overlap. Apistogramma Orange-tail prefers 5.5–7.2, while Neolamprologus Pulcher needs 8–9. This makes them incompatible in the same water chemistry.
How do I manage Apistogramma Orange-tail's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Apistogramma Orange-tail 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 6, 2026
- Last updated
- May 6, 2026
- Issues or corrections?
- Contact the editorial team
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