Can Afra Cichlid and Gulper Catfish Live Together?

Not Recommended

Afra Cichlid and Gulper Catfish 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

Afra Cichlid

Cynotilapia afra

Gulper Catfish

Asterophysus batrachus

🐠Family Group
Afra Cichlid
Cichlids - African
Gulper Catfish
Catfish
Temperament
Afra Cichlid
Aggressive (8/10)
Gulper Catfish
Semi-Aggressive (6/10)
Temperature
βœ“ Compatible
Afra Cichlid
24–28Β°C
Gulper Catfish
24–28Β°C
pH Range
βœ— No overlap
Afra Cichlid
7.6–8.6
Gulper Catfish
6–7.5
Hardness (dGH)
βœ“ Compatible
Afra Cichlid
10–25
Gulper Catfish
2–15
Water Type
βœ“ Compatible
Afra Cichlid
Freshwater Only
Gulper Catfish
Freshwater Only
Flow Preference
βœ“ Compatible
Afra Cichlid
Moderate
Gulper Catfish
Moderate
Min Tank Volume
Combined: 375 L
Afra Cichlid
200 L
Gulper Catfish
250 L
Swimming Level
Shared: 2 zones
Afra Cichlid
MiddleBottom
Gulper Catfish
BottomMiddle
🏷️Behavior Tags
Afra Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerFry PredatorHyperactive / Fast Swimmer
Gulper Catfish
Piscivore (Eats small/nano fish)NocturnalShrimp EaterFry Predator
Stocking calculator

Can your tank handle Afra Cichlid and Gulper Catfish?

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.

Afra Cichlid
Gulper Catfish
Test both in my tank

Behaviour & Temperament

Afra Cichlid is a semi-aggressive species (8/10), while Gulper Catfish is moderately assertive (6/10). This modest difference means Afra Cichlid may occasionally assert dominance over Gulper Catfish.

Afra Cichlid and Gulper Catfish both frequent the Middle (Open Water) and 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.

Worth noting: Gulper Catfish 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 24Β°C and 28Β°C. Aim for the midpoint of this range (around 26.0Β°C) for optimal comfort.

The pH requirements of Afra Cichlid (7.6–8.6) and Gulper Catfish (6–7.5) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Afra Cichlid and Gulper Catfish together, plan for an aquarium of at least 375 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), Established Algae (Otocinclus), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Afra Cichlid and Gulper Catfish.

Frequently Asked Questions

Can Afra Cichlid and Gulper Catfish live together?

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

What size tank do Afra Cichlid and Gulper Catfish need?

A minimum of 375 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 Afra Cichlid and Gulper Catfish together?

Keep the aquarium between 24Β°C and 28Β°C. A target of around 26.0Β°C sits comfortably within both species' preferred ranges.

Are Afra Cichlid or Gulper Catfish aggressive?

Afra Cichlid is semi-aggressive (8/10) and Gulper Catfish is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Afra Cichlid and Gulper Catfish need?

Their pH requirements do not overlap. Afra Cichlid prefers 7.6–8.6, while Gulper Catfish needs 6–7.5. This makes them incompatible in the same water chemistry.

How do I manage Afra Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Afra Cichlid space to claim a territory without encroaching on the other fish's area. Adding dΓ©cor that divides the tank into distinct zones works especially well.

Does Gulper Catfish being nocturnal affect compatibility?

Gulper Catfish 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 Gulper Catfish during evening hours.


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