Can African Jewel Cichlid and Black Corydoras Live Together?

Possible with Caution

Keeping African Jewel Cichlid and Black Corydoras together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 110 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

African Jewel Cichlid

Hemichromis bimaculatus

Black Corydoras

Corydoras schultzei

🐠Family Group
African Jewel Cichlid
Cichlids - African
Black Corydoras
Catfish
Temperament
African Jewel Cichlid
Aggressive (8/10)
Black Corydoras
Peaceful (0/10)
Temperature
βœ“ Compatible
African Jewel Cichlid
22–28Β°C
Black Corydoras
22–26Β°C
pH Range
βœ“ Compatible
African Jewel Cichlid
6.5–7.5
Black Corydoras
6–7.5
Hardness (dGH)
βœ“ Compatible
African Jewel Cichlid
4–15
Black Corydoras
2–15
Water Type
βœ“ Compatible
African Jewel Cichlid
Freshwater Only
Black Corydoras
Freshwater Only
Flow Preference
βœ“ Compatible
African Jewel Cichlid
Moderate
Black Corydoras
Moderate
Min Tank Volume
Combined: 110 L
African Jewel Cichlid
110 L
Black Corydoras
60 L
Swimming Level
Shared: 1 zone
African Jewel Cichlid
MiddleBottom
Black Corydoras
Bottom
🏷️Behavior Tags
African Jewel Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerFry Predator
Black Corydoras
Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle African Jewel Cichlid and Black Corydoras?

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.

African Jewel Cichlid
Black Corydoras
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Behaviour & Temperament

African Jewel Cichlid is a semi-aggressive species (8/10), while Black Corydoras is peaceful (0/10). This notable difference means African Jewel Cichlid may occasionally assert dominance over Black Corydoras.

Large aggression gap (8 points) between African Jewel Cichlid and Black Corydoras increases stress risk for the more peaceful fish.

African Jewel Cichlid and Black Corydoras 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.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both African Jewel Cichlid and Black Corydoras to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations. A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.

Water Parameters

The safe temperature window for both species falls between 22Β°C and 26Β°C. Aim for the midpoint of this range (around 24.0Β°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 4–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house African Jewel Cichlid and Black Corydoras together, plan for an aquarium of at least 110 litres with a minimum length of 90 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots β€” caves, driftwood, and dense plant clusters β€” so the less dominant fish can retreat when needed.

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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both African Jewel Cichlid and Black Corydoras.

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Frequently Asked Questions

Can African Jewel Cichlid and Black Corydoras live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 110 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do African Jewel Cichlid and Black Corydoras need?

A minimum of 110 litres (tank length at least 90 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 African Jewel Cichlid and Black Corydoras together?

Keep the aquarium between 22Β°C and 26Β°C. A target of around 24.0Β°C sits comfortably within both species' preferred ranges.

Are African Jewel Cichlid or Black Corydoras aggressive?

African Jewel Cichlid is semi-aggressive (8/10) and Black Corydoras is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do African Jewel Cichlid and Black Corydoras need?

Both species overlap in the 6.5–7.5 pH range. Consistency is key β€” avoid sudden swings, and test regularly to stay within this window.

How do I manage African Jewel Cichlid's territorial behaviour?

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


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