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

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller 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

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

Apistogramma barlowi

Brevis Shelldweller

Neolamprologus brevis

🐠Family Group
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Cichlids - South American
Brevis Shelldweller
Cichlids - African
Temperament
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Mostly Peaceful (4/10)
Brevis Shelldweller
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
22–29°C
Brevis Shelldweller
24–28°C
pH Range
✗ No overlap
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
4.5–6.5
Brevis Shelldweller
8–9
Hardness (dGH)
✗ No overlap
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
1–5
Brevis Shelldweller
10–25
Water Type
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Freshwater Only
Brevis Shelldweller
Freshwater Only
Flow Preference
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Moderate
Brevis Shelldweller
Moderate
Min Tank Volume
Combined: 54 L
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
54 L
Brevis Shelldweller
38 L
Swimming Level
Shared: 1 zone
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
BottomMiddle
Brevis Shelldweller
Bottom
🏷️Behavior Tags
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Territorial (Defends specific area)Shrimp EaterFry PredatorShy / Slow Moving (Easily Stressed)
Brevis Shelldweller
Nano / Bite-sized (Predation Risk)Territorial (Defends specific area)Digger (Disturbs Substrate)Aggressive to same species/look-alikes
Stocking calculator

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

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.

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

Behaviour & Temperament

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

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller 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: Two territorial species may clash over territory, especially in smaller tanks. Shrimp eaters may also prey on very small nano fish.

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 Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) (4.5–6.5) and Brevis Shelldweller (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

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

Tank Setup

To house Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller together, plan for an aquarium of at least 54 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), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Shells (Breeding/Hiding). 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

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller 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 Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller.

Show 21 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) is a known shrimp eater and may prey on small invertebrates or nano fish like Brevis Shelldweller.

Frequently Asked Questions

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

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

What size tank do Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller need?

A minimum of 54 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 Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Brevis Shelldweller 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 Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) or Brevis Shelldweller aggressive?

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

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

Their pH requirements do not overlap. Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) prefers 4.5–6.5, while Brevis Shelldweller needs 8–9. 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 6, 2026
Last updated
May 6, 2026
Issues or corrections?
Contact the editorial team

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