Can African Jewel Cichlid and Leopoldi Stingray (Black Diamond) Live Together?

Possible with Caution

Keeping African Jewel Cichlid and Leopoldi Stingray (Black Diamond) together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 1135 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

Leopoldi Stingray (Black Diamond)

Potamotrygon leopoldi

🐠Family Group
African Jewel Cichlid
Cichlids - African
Leopoldi Stingray (Black Diamond)
Oddballs
Temperament
African Jewel Cichlid
Aggressive (8/10)
Leopoldi Stingray (Black Diamond)
Semi-Aggressive (5/10)
Temperature
βœ“ Compatible
African Jewel Cichlid
22–28Β°C
Leopoldi Stingray (Black Diamond)
26–30Β°C
pH Range
βœ“ Compatible
African Jewel Cichlid
6.5–7.5
Leopoldi Stingray (Black Diamond)
6–7.5
Hardness (dGH)
βœ“ Compatible
African Jewel Cichlid
4–15
Leopoldi Stingray (Black Diamond)
3–10
Water Type
βœ“ Compatible
African Jewel Cichlid
Freshwater Only
Leopoldi Stingray (Black Diamond)
Freshwater Only
Flow Preference
βœ“ Compatible
African Jewel Cichlid
Moderate
Leopoldi Stingray (Black Diamond)
Moderate
Min Tank Volume
Combined: 1135 L
African Jewel Cichlid
110 L
Leopoldi Stingray (Black Diamond)
1135 L
Swimming Level
Shared: 1 zone
African Jewel Cichlid
MiddleBottom
Leopoldi Stingray (Black Diamond)
Bottom
🏷️Behavior Tags
African Jewel Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerFry Predator
Leopoldi Stingray (Black Diamond)
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle African Jewel Cichlid and Leopoldi Stingray (Black Diamond)?

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
Leopoldi Stingray (Black Diamond)
Test both in my tank

Behaviour & Temperament

African Jewel Cichlid is a semi-aggressive species (8/10), while Leopoldi Stingray (Black Diamond) is moderately assertive (5/10). This modest difference means African Jewel Cichlid may occasionally assert dominance over Leopoldi Stingray (Black Diamond).

African Jewel Cichlid and Leopoldi Stingray (Black Diamond) 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 Leopoldi Stingray (Black Diamond) to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

Water Parameters

The safe temperature window for both species falls between 26Β°C and 28Β°C. Aim for the midpoint of this range (around 27.0Β°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 4–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house African Jewel Cichlid and Leopoldi Stingray (Black Diamond) together, plan for an aquarium of at least 1135 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.

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.

Frequently Asked Questions

Can African Jewel Cichlid and Leopoldi Stingray (Black Diamond) live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 1135 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do African Jewel Cichlid and Leopoldi Stingray (Black Diamond) need?

A minimum of 1135 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 African Jewel Cichlid and Leopoldi Stingray (Black Diamond) together?

Keep the aquarium between 26Β°C and 28Β°C. A target of around 27.0Β°C sits comfortably within both species' preferred ranges.

Are African Jewel Cichlid or Leopoldi Stingray (Black Diamond) aggressive?

African Jewel Cichlid is semi-aggressive (8/10) and Leopoldi Stingray (Black Diamond) is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do African Jewel Cichlid and Leopoldi Stingray (Black Diamond) 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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