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

Reviewed by Guidarium Editorial DeskUpdated May 1, 2026
Not Recommended

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Featherfin Squeaker are not recommended as tank mates due to 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

Featherfin Squeaker

Synodontis eupterus

🐠Family Group
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Cichlids - South American
Featherfin Squeaker
Catfish
Temperament
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Mostly Peaceful (4/10)
Featherfin Squeaker
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
22–29°C
Featherfin Squeaker
22–27°C
pH Range
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
4.5–6.5
Featherfin Squeaker
6.5–8
Hardness (dGH)
✗ No overlap
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
1–5
Featherfin Squeaker
8–20
Water Type
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Freshwater Only
Featherfin Squeaker
Freshwater Only
Flow Preference
✓ Compatible
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Moderate
Featherfin Squeaker
Moderate
Min Tank Volume
Combined: 200 L
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
54 L
Featherfin Squeaker
200 L
Swimming Level
Shared: 2 zones
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
BottomMiddle
Featherfin Squeaker
BottomMiddle
🏷️Behavior Tags
Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)
Territorial (Defends specific area)Shrimp EaterFry PredatorShy / Slow Moving (Easily Stressed)
Featherfin Squeaker
NocturnalTerritorial (Defends specific area)Piscivore (Eats small/nano fish)Aggressive to same species/look-alikes
Stocking calculator

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

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)
Featherfin Squeaker
Test both in my tank

Behaviour & Temperament

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

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Featherfin Squeaker 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.

Worth noting: Featherfin Squeaker is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

The safe temperature window for both species falls between 22°C and 27°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 6.5. Maintaining a stable value within this band is more important than hitting an exact number.

Hardness requirements are incompatible: Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) needs 1–5 dGH while Featherfin Squeaker requires 8–20 dGH.

Tank Setup

To house Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Featherfin Squeaker 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, Smooth Gravel (Sensitive Barbels). 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 Featherfin Squeaker 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 Featherfin Squeaker.

Show 5 more tank sizes

Frequently Asked Questions

Can Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Featherfin Squeaker 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 Featherfin Squeaker 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 Barlow's Dwarf Cichlid (Apistogramma Maulbrüter) and Featherfin Squeaker together?

Keep the aquarium between 22°C and 27°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.

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

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

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

Both species overlap in the 6.5–6.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

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.

Does Featherfin Squeaker being nocturnal affect compatibility?

Featherfin Squeaker is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Featherfin Squeaker during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 1, 2026
Last updated
May 1, 2026
Issues or corrections?
Contact the editorial team

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