Can Achara Catfish and Yellow Sand Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Achara Catfish and Yellow Sand Cichlid 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

Yellow Sand Cichlid

Xenotilapia bathyphilus

🐠Family Group
Achara Catfish
Catfish
Yellow Sand Cichlid
Cichlids - African
Temperament
Achara Catfish
Semi-Aggressive (6/10)
Yellow Sand Cichlid
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Achara Catfish
22–28°C
Yellow Sand Cichlid
24–28°C
pH Range
✗ No overlap
Achara Catfish
6–7.5
Yellow Sand Cichlid
7.8–9
Hardness (dGH)
✓ Compatible
Achara Catfish
4–15
Yellow Sand Cichlid
10–20
Water Type
✓ Compatible
Achara Catfish
Freshwater Only
Yellow Sand Cichlid
Freshwater Only
Flow Preference
✓ Compatible
Achara Catfish
Moderate
Yellow Sand Cichlid
Moderate
Min Tank Volume
Combined: 1500 L
Achara Catfish
1500 L
Yellow Sand Cichlid
110 L
Swimming Level
Shared: 1 zone
Achara Catfish
Bottom
Yellow Sand Cichlid
Bottom
🏷️Behavior Tags
Achara Catfish
Piscivore (Eats small/nano fish)NocturnalShrimp EaterFry PredatorDigger (Disturbs Substrate)
Yellow Sand Cichlid
Digger (Disturbs Substrate)Territorial (Defends specific area)Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Achara Catfish and Yellow Sand Cichlid?

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
Yellow Sand Cichlid
Test both in my tank

Behaviour & Temperament

Achara Catfish is a moderately assertive species (6/10), while Yellow Sand Cichlid is generally mild-mannered (4/10). This modest difference means Achara Catfish may occasionally assert dominance over Yellow Sand Cichlid.

Achara Catfish and Yellow Sand Cichlid 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: Achara 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 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

The pH requirements of Achara Catfish (6–7.5) and Yellow Sand Cichlid (7.8–9) 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 Yellow Sand Cichlid 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.

Why This Pairing Usually Fails in Practice

Achara Catfish and Yellow Sand Cichlid 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.

Frequently Asked Questions

Can Achara Catfish and Yellow Sand Cichlid live together?

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

What size tank do Achara Catfish and Yellow Sand Cichlid 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 Yellow Sand Cichlid 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 Achara Catfish or Yellow Sand Cichlid aggressive?

Achara Catfish is moderately assertive (6/10) and Yellow Sand Cichlid is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Achara Catfish and Yellow Sand Cichlid need?

Their pH requirements do not overlap. Achara Catfish prefers 6–7.5, while Yellow Sand Cichlid needs 7.8–9. This makes them incompatible in the same water chemistry.

How do I manage Yellow Sand Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Yellow Sand 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 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.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

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