Can Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Hystrix Stingray (Porcupine Ray) and Kenyi 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

Hystrix Stingray (Porcupine Ray)

Potamotrygon hystrix

Kenyi Cichlid

Maylandia lombardoi

🐠Family Group
Hystrix Stingray (Porcupine Ray)
Oddballs
Kenyi Cichlid
Cichlids - African
Temperament
Hystrix Stingray (Porcupine Ray)
Semi-Aggressive (6/10)
Kenyi Cichlid
Highly Aggressive (9/10)
Temperature
✓ Compatible
Hystrix Stingray (Porcupine Ray)
24–28°C
Kenyi Cichlid
24–28°C
pH Range
✗ No overlap
Hystrix Stingray (Porcupine Ray)
6–7.5
Kenyi Cichlid
7.8–8.6
Hardness (dGH)
✓ Compatible
Hystrix Stingray (Porcupine Ray)
1–10
Kenyi Cichlid
10–25
Water Type
✓ Compatible
Hystrix Stingray (Porcupine Ray)
Freshwater Only
Kenyi Cichlid
Freshwater Only
Flow Preference
✓ Compatible
Hystrix Stingray (Porcupine Ray)
Moderate
Kenyi Cichlid
Moderate
Min Tank Volume
Combined: 680 L
Hystrix Stingray (Porcupine Ray)
680 L
Kenyi Cichlid
208 L
Swimming Level
Shared: 1 zone
Hystrix Stingray (Porcupine Ray)
Bottom
Kenyi Cichlid
MiddleBottom
🏷️Behavior Tags
Hystrix Stingray (Porcupine Ray)
Piscivore (Eats small/nano fish)Digger (Disturbs Substrate)Shrimp EaterFry PredatorSnail EaterHyperactive / Fast Swimmer
Kenyi Cichlid
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerHyperactive / Fast SwimmerFry Predator
Stocking calculator

Can your tank handle Hystrix Stingray (Porcupine Ray) and Kenyi 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.

Hystrix Stingray (Porcupine Ray)
Kenyi Cichlid
Test both in my tank

Behaviour & Temperament

Hystrix Stingray (Porcupine Ray) is a moderately assertive species (6/10), while Kenyi Cichlid is highly aggressive (9/10). This modest difference means Kenyi Cichlid may occasionally assert dominance over Hystrix Stingray (Porcupine Ray).

Hystrix Stingray (Porcupine Ray) and Kenyi 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.

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 Hystrix Stingray (Porcupine Ray) (6–7.5) and Kenyi Cichlid (7.8–8.6) 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 Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid together, plan for an aquarium of at least 680 litres with a minimum length of 180 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), Established Algae (Otocinclus). 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

Hystrix Stingray (Porcupine Ray) and Kenyi 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid.

Frequently Asked Questions

Can Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid live together?

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

What size tank do Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid need?

A minimum of 680 litres (tank length at least 180 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 Hystrix Stingray (Porcupine Ray) and Kenyi 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 Hystrix Stingray (Porcupine Ray) or Kenyi Cichlid aggressive?

Hystrix Stingray (Porcupine Ray) is moderately assertive (6/10) and Kenyi Cichlid is highly aggressive (9/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Hystrix Stingray (Porcupine Ray) and Kenyi Cichlid need?

Their pH requirements do not overlap. Hystrix Stingray (Porcupine Ray) prefers 6–7.5, while Kenyi Cichlid needs 7.8–8.6. This makes them incompatible in the same water chemistry.

How do I manage Kenyi Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Kenyi 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 6, 2026
Last updated
May 6, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Hystrix Stingray (Porcupine Ray) & African Arowana

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulAfrican Arowana: Peaceful

Hystrix Stingray (Porcupine Ray) & Antennae Stingray

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulAntennae Stingray: Peaceful

Hystrix Stingray (Porcupine Ray) & Black Ghost Knifefish

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulBlack Ghost Knifefish: Peaceful

Hystrix Stingray (Porcupine Ray) & Clown Knifefish

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulClown Knifefish: Peaceful

Hystrix Stingray (Porcupine Ray) & Congo Bichir

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulCongo Bichir: Peaceful

Hystrix Stingray (Porcupine Ray) & Fire Eel

·

Possible with Caution
Hystrix Stingray (Porcupine Ray): PeacefulFire Eel: Peaceful

Kenyi Cichlid & Afra Cichlid

·

Possible with Caution
Kenyi Cichlid: PeacefulAfra Cichlid: Peaceful

Kenyi Cichlid & African Jewel Cichlid

·

Not Recommended
Kenyi Cichlid: PeacefulAfrican Jewel Cichlid: Peaceful

Kenyi Cichlid & Auratus Cichlid (Mbuna)

·

Possible with Caution
Kenyi Cichlid: PeacefulAuratus Cichlid (Mbuna): Peaceful

Kenyi Cichlid & Aurora Yellow Mbuna

·

Possible with Caution
Kenyi Cichlid: PeacefulAurora Yellow Mbuna: Peaceful

Kenyi Cichlid & Black Diamond Cichlid

·

Possible with Caution
Kenyi Cichlid: PeacefulBlack Diamond Cichlid: Peaceful

Kenyi Cichlid & Buccochromis rhoadesii

·

Possible with Caution
Kenyi Cichlid: PeacefulBuccochromis rhoadesii: Peaceful