Can Afra Cichlid and Clown Loach Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Afra Cichlid and Clown Loach 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

Clown Loach

Chromobotia macracanthus

🐠Family Group
Afra Cichlid
Cichlids - African
Clown Loach
Loaches
Temperament
Afra Cichlid
Aggressive (8/10)
Clown Loach
Peaceful (2/10)
Temperature
✓ Compatible
Afra Cichlid
24–28°C
Clown Loach
25–30°C
pH Range
✗ No overlap
Afra Cichlid
7.6–8.6
Clown Loach
6–7.5
Hardness (dGH)
✓ Compatible
Afra Cichlid
10–25
Clown Loach
5–12
Water Type
✓ Compatible
Afra Cichlid
Freshwater Only
Clown Loach
Freshwater Only
Flow Preference
✓ Compatible
Afra Cichlid
Moderate
Clown Loach
Moderate
Min Tank Volume
Combined: 512 L
Afra Cichlid
200 L
Clown Loach
500 L
Swimming Level
Shared: 1 zone
Afra Cichlid
MiddleBottom
Clown Loach
Bottom
🏷️Behavior Tags
Afra Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerFry PredatorHyperactive / Fast Swimmer
Clown Loach
Snail EaterHyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Digger (Disturbs Substrate)Nocturnal
Stocking calculator

Can your tank handle Afra Cichlid and Clown Loach?

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
Clown Loach
Test both in my tank

Behaviour & Temperament

Afra Cichlid is a semi-aggressive species (8/10), while Clown Loach is peaceful (2/10). This notable difference means Afra Cichlid may occasionally assert dominance over Clown Loach.

Large aggression gap (6 points) between Afra Cichlid and Clown Loach increases stress risk for the more peaceful fish.

Afra Cichlid and Clown Loach 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.

Worth noting: Clown Loach 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 25°C and 28°C. Aim for the midpoint of this range (around 26.5°C) for optimal comfort.

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

For general hardness, the shared comfort zone is 10–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Afra Cichlid and Clown Loach together, plan for an aquarium of at least 512 litres with a minimum length of 150 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.

Why This Pairing Usually Fails in Practice

Afra Cichlid and Clown Loach 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 Afra Cichlid and Clown Loach.

Frequently Asked Questions

Can Afra Cichlid and Clown Loach live together?

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

What size tank do Afra Cichlid and Clown Loach need?

A minimum of 512 litres (tank length at least 150 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 Clown Loach together?

Keep the aquarium between 25°C and 28°C. A target of around 26.5°C sits comfortably within both species' preferred ranges.

Are Afra Cichlid or Clown Loach aggressive?

Afra Cichlid is semi-aggressive (8/10) and Clown Loach is peaceful (2/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Afra Cichlid and Clown Loach need?

Their pH requirements do not overlap. Afra Cichlid prefers 7.6–8.6, while Clown Loach 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 décor that divides the tank into distinct zones works especially well.

Does Clown Loach being nocturnal affect compatibility?

Clown Loach 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 Clown Loach during evening hours.

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
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