Can Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) 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

Azureus Cichlid

Copadichromis azureus

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

Apistogramma barlowi

🐠Family Group
Azureus Cichlid
Cichlids - African
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Cichlids - South American
Temperament
Azureus Cichlid
Semi-Aggressive (5/10)
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Azureus Cichlid
23–28°C
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
22–29°C
pH Range
✗ No overlap
Azureus Cichlid
7.8–8.6
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
4.5–6.5
Hardness (dGH)
✗ No overlap
Azureus Cichlid
10–25
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
1–5
Water Type
✓ Compatible
Azureus Cichlid
Freshwater Only
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Freshwater Only
Flow Preference
✓ Compatible
Azureus Cichlid
Moderate
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Moderate
Min Tank Volume
Combined: 200 L
Azureus Cichlid
200 L
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
54 L
Swimming Level
Shared: 1 zone
Azureus Cichlid
MiddleTop
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
BottomMiddle
🏷️Behavior Tags
Azureus Cichlid
Hyperactive / Fast Swimmer
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Territorial (Defends specific area)Shrimp EaterFry PredatorShy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)?

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.

Azureus Cichlid
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Test both in my tank

Behaviour & Temperament

Azureus Cichlid is a moderately assertive species (5/10), while Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) is generally mild-mannered (4/10). This modest difference means Azureus Cichlid may occasionally assert dominance over Barlow's Dwarf Cichlid (Apistogramma Maulbrüter).

Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) both frequent the 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: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Water Parameters

The safe temperature window for both species falls between 23°C and 28°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Azureus Cichlid (7.8–8.6) and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) (4.5–6.5) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Azureus Cichlid needs 10–25 dGH while Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) requires 1–5 dGH.

Tank Setup

To house Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) 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), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater. Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) 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 Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter).

Show 5 more tank sizes

Frequently Asked Questions

Can Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) 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 Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) together?

Keep the aquarium between 23°C and 28°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Azureus Cichlid or Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) aggressive?

Azureus Cichlid is moderately assertive (5/10) and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Azureus Cichlid and Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) need?

Their pH requirements do not overlap. Azureus Cichlid prefers 7.8–8.6, while Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) needs 4.5–6.5. This makes them incompatible in the same water chemistry.

How do I manage Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) 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.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 4, 2026
Last updated
May 4, 2026
Issues or corrections?
Contact the editorial team

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