Can Leopoldi Stingray (Black Diamond) and Yellow Sand Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Leopoldi Stingray (Black Diamond) 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

Leopoldi Stingray (Black Diamond)

Potamotrygon leopoldi

Yellow Sand Cichlid

Xenotilapia bathyphilus

🐠Family Group
Leopoldi Stingray (Black Diamond)
Oddballs
Yellow Sand Cichlid
Cichlids - African
Temperament
Leopoldi Stingray (Black Diamond)
Semi-Aggressive (5/10)
Yellow Sand Cichlid
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Leopoldi Stingray (Black Diamond)
26–30°C
Yellow Sand Cichlid
24–28°C
pH Range
✗ No overlap
Leopoldi Stingray (Black Diamond)
6–7.5
Yellow Sand Cichlid
7.8–9
Hardness (dGH)
✓ Compatible
Leopoldi Stingray (Black Diamond)
3–10
Yellow Sand Cichlid
10–20
Water Type
✓ Compatible
Leopoldi Stingray (Black Diamond)
Freshwater Only
Yellow Sand Cichlid
Freshwater Only
Flow Preference
✓ Compatible
Leopoldi Stingray (Black Diamond)
Moderate
Yellow Sand Cichlid
Moderate
Min Tank Volume
Combined: 1135 L
Leopoldi Stingray (Black Diamond)
1135 L
Yellow Sand Cichlid
110 L
Swimming Level
Shared: 1 zone
Leopoldi Stingray (Black Diamond)
Bottom
Yellow Sand Cichlid
Bottom
🏷️Behavior Tags
Leopoldi Stingray (Black Diamond)
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Hyperactive / Fast Swimmer
Yellow Sand Cichlid
Digger (Disturbs Substrate)Territorial (Defends specific area)Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Leopoldi Stingray (Black Diamond) 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.

Leopoldi Stingray (Black Diamond)
Yellow Sand Cichlid
Test both in my tank

Behaviour & Temperament

Leopoldi Stingray (Black Diamond) is a moderately assertive species (5/10), while Yellow Sand Cichlid is generally mild-mannered (4/10). This modest difference means Leopoldi Stingray (Black Diamond) may occasionally assert dominance over Yellow Sand Cichlid.

Leopoldi Stingray (Black Diamond) 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Water Parameters

The safe temperature window for both species falls between 26°C and 28°C. Aim for the midpoint of this range (around 27.0°C) for optimal comfort.

The pH requirements of Leopoldi Stingray (Black Diamond) (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 10–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Leopoldi Stingray (Black Diamond) and Yellow Sand Cichlid 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.

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). 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

Leopoldi Stingray (Black Diamond) 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 Leopoldi Stingray (Black Diamond) 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 Leopoldi Stingray (Black Diamond) and Yellow Sand Cichlid 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 Leopoldi Stingray (Black Diamond) and Yellow Sand Cichlid together?

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

Are Leopoldi Stingray (Black Diamond) or Yellow Sand Cichlid aggressive?

Leopoldi Stingray (Black Diamond) is moderately assertive (5/10) and Yellow Sand Cichlid is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Leopoldi Stingray (Black Diamond) and Yellow Sand Cichlid need?

Their pH requirements do not overlap. Leopoldi Stingray (Black Diamond) 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.

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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