Can Guinean Bichir and Kenyi Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Guinean Bichir 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

Guinean Bichir

Polypterus ansorgii

Kenyi Cichlid

Maylandia lombardoi

🐠Family Group
Guinean Bichir
Oddballs
Kenyi Cichlid
Cichlids - African
Temperament
Guinean Bichir
Semi-Aggressive (5/10)
Kenyi Cichlid
Highly Aggressive (9/10)
Temperature
✓ Compatible
Guinean Bichir
24–28°C
Kenyi Cichlid
24–28°C
pH Range
✗ No overlap
Guinean Bichir
6.5–7.5
Kenyi Cichlid
7.8–8.6
Hardness (dGH)
✓ Compatible
Guinean Bichir
5–15
Kenyi Cichlid
10–25
Water Type
✓ Compatible
Guinean Bichir
Freshwater Only
Kenyi Cichlid
Freshwater Only
Flow Preference
✓ Compatible
Guinean Bichir
Low
Kenyi Cichlid
Moderate
Min Tank Volume
Combined: 680 L
Guinean Bichir
680 L
Kenyi Cichlid
208 L
Swimming Level
Shared: 1 zone
Guinean Bichir
Bottom
Kenyi Cichlid
MiddleBottom
🏷️Behavior Tags
Guinean Bichir
Piscivore (Eats small/nano fish)Jumper (Lid Required)Nocturnal
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 Guinean Bichir 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.

Guinean Bichir
Kenyi Cichlid
Test both in my tank

Behaviour & Temperament

Guinean Bichir is a moderately assertive species (5/10), while Kenyi Cichlid is highly aggressive (9/10). This notable difference means Kenyi Cichlid may occasionally assert dominance over Guinean Bichir.

Guinean Bichir 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.

Worth noting: Guinean Bichir is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Guinean Bichir is a known jumper, so a tight-fitting lid is essential.

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 Guinean Bichir (6.5–7.5) 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 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Guinean Bichir 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), Driftwood (Digestion/Hiding), Plants - Floating, Established Algae (Otocinclus). Meeting these requirements will help both species thrive.

Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Guinean Bichir 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 Guinean Bichir and Kenyi Cichlid.

Frequently Asked Questions

Can Guinean Bichir 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 Guinean Bichir 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 Guinean Bichir 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 Guinean Bichir or Kenyi Cichlid aggressive?

Guinean Bichir is moderately assertive (5/10) and Kenyi Cichlid is highly aggressive (9/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Guinean Bichir and Kenyi Cichlid need?

Their pH requirements do not overlap. Guinean Bichir prefers 6.5–7.5, 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.

Does Guinean Bichir being nocturnal affect compatibility?

Guinean Bichir 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 Guinean Bichir during evening hours.

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
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