Can Achara Catfish and Trout Cichlid (Champsochromis) Live Together?

Not Recommended

Achara Catfish and Trout Cichlid (Champsochromis) 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

Achara Catfish

Leiarius marmoratus

Trout Cichlid (Champsochromis)

Champsochromis caeruleus

🐠Family Group
Achara Catfish
Catfish
Trout Cichlid (Champsochromis)
Cichlids - African
Temperament
Achara Catfish
Semi-Aggressive (6/10)
Trout Cichlid (Champsochromis)
Aggressive (7/10)
Temperature
βœ“ Compatible
Achara Catfish
22–28Β°C
Trout Cichlid (Champsochromis)
24–28Β°C
pH Range
βœ— No overlap
Achara Catfish
6–7.5
Trout Cichlid (Champsochromis)
7.8–8.6
Hardness (dGH)
βœ“ Compatible
Achara Catfish
4–15
Trout Cichlid (Champsochromis)
10–25
Water Type
βœ“ Compatible
Achara Catfish
Freshwater Only
Trout Cichlid (Champsochromis)
Freshwater Only
Flow Preference
βœ“ Compatible
Achara Catfish
Moderate
Trout Cichlid (Champsochromis)
Moderate
Min Tank Volume
Combined: 1500 L
Achara Catfish
1500 L
Trout Cichlid (Champsochromis)
500 L
Swimming Level
βœ“ Different zones
Achara Catfish
Bottom
Trout Cichlid (Champsochromis)
TopMiddle
🏷️Behavior Tags
Achara Catfish
Piscivore (Eats small/nano fish)NocturnalShrimp EaterFry PredatorDigger (Disturbs Substrate)
Trout Cichlid (Champsochromis)
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerJumper (Lid Required)Territorial (Defends specific area)Aggressive to same species/look-alikes
Stocking calculator

Can your tank handle Achara Catfish and Trout Cichlid (Champsochromis)?

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.

Achara Catfish
Trout Cichlid (Champsochromis)
Test both in my tank

Behaviour & Temperament

Achara Catfish is a moderately assertive species (6/10), while Trout Cichlid (Champsochromis) is semi-aggressive (7/10). This modest difference means Trout Cichlid (Champsochromis) may occasionally assert dominance over Achara Catfish.

In terms of spatial distribution, Achara Catfish prefers the Bottom (Substrate) zone, whereas Trout Cichlid (Champsochromis) occupies the Top (Surface) and Middle (Open Water) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Achara Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Trout Cichlid (Champsochromis) is a known jumper, so a tight-fitting lid is essential.

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 Achara Catfish (6–7.5) and Trout Cichlid (Champsochromis) (7.8–8.6) 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 Achara Catfish and Trout Cichlid (Champsochromis) together, plan for an aquarium of at least 1500 litres with a minimum length of 240 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), 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.

Frequently Asked Questions

Can Achara Catfish and Trout Cichlid (Champsochromis) live together?

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

What size tank do Achara Catfish and Trout Cichlid (Champsochromis) need?

A minimum of 1500 litres (tank length at least 240 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 Achara Catfish and Trout Cichlid (Champsochromis) 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 Achara Catfish or Trout Cichlid (Champsochromis) aggressive?

Achara Catfish is moderately assertive (6/10) and Trout Cichlid (Champsochromis) is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Achara Catfish and Trout Cichlid (Champsochromis) need?

Their pH requirements do not overlap. Achara Catfish prefers 6–7.5, while Trout Cichlid (Champsochromis) needs 7.8–8.6. This makes them incompatible in the same water chemistry.

How do I manage Trout Cichlid (Champsochromis)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Trout Cichlid (Champsochromis) 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 Achara Catfish being nocturnal affect compatibility?

Achara 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 Achara Catfish during evening hours.


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