Can Mokele-mbembe Bichir and Neolamprologus Pulcher Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Mokele-mbembe Bichir and Neolamprologus Pulcher 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

Mokele-mbembe Bichir

Polypterus mokelembembe

Neolamprologus Pulcher

Neolamprologus pulcher

🐠Family Group
Mokele-mbembe Bichir
Oddballs
Neolamprologus Pulcher
Cichlids - African
Temperament
Mokele-mbembe Bichir
Semi-Aggressive (6/10)
Neolamprologus Pulcher
Aggressive (7/10)
Temperature
✓ Compatible
Mokele-mbembe Bichir
24–28°C
Neolamprologus Pulcher
24–27°C
pH Range
✗ No overlap
Mokele-mbembe Bichir
6.5–7.5
Neolamprologus Pulcher
8–9
Hardness (dGH)
✓ Compatible
Mokele-mbembe Bichir
5–19
Neolamprologus Pulcher
10–25
Water Type
✓ Compatible
Mokele-mbembe Bichir
Freshwater Only
Neolamprologus Pulcher
Freshwater Only
Flow Preference
✓ Compatible
Mokele-mbembe Bichir
Low
Neolamprologus Pulcher
Moderate
Min Tank Volume
Combined: 200 L
Mokele-mbembe Bichir
200 L
Neolamprologus Pulcher
75 L
Swimming Level
Shared: 1 zone
Mokele-mbembe Bichir
Bottom
Neolamprologus Pulcher
MiddleBottom
🏷️Behavior Tags
Mokele-mbembe Bichir
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorJumper (Lid Required)Nocturnal
Neolamprologus Pulcher
Territorial (Defends specific area)Generally AggressiveAggressive to same species/look-alikesDigger (Disturbs Substrate)Shrimp Eater
Stocking calculator

Can your tank handle Mokele-mbembe Bichir and Neolamprologus Pulcher?

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.

Mokele-mbembe Bichir
Neolamprologus Pulcher
Test both in my tank

Behaviour & Temperament

Mokele-mbembe Bichir is a moderately assertive species (6/10), while Neolamprologus Pulcher is semi-aggressive (7/10). This modest difference means Neolamprologus Pulcher may occasionally assert dominance over Mokele-mbembe Bichir.

Mokele-mbembe Bichir and Neolamprologus Pulcher 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: Mokele-mbembe Bichir is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Mokele-mbembe 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 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Mokele-mbembe Bichir (6.5–7.5) and Neolamprologus Pulcher (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–19 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Mokele-mbembe Bichir and Neolamprologus Pulcher together, plan for an aquarium of at least 200 litres with a minimum length of 120 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 - Densely covered. 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

Mokele-mbembe Bichir and Neolamprologus Pulcher 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 Mokele-mbembe Bichir and Neolamprologus Pulcher.

Show 5 more tank sizes

Frequently Asked Questions

Can Mokele-mbembe Bichir and Neolamprologus Pulcher live together?

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

What size tank do Mokele-mbembe Bichir and Neolamprologus Pulcher need?

A minimum of 200 litres (tank length at least 120 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 Mokele-mbembe Bichir and Neolamprologus Pulcher together?

Keep the aquarium between 24°C and 27°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Mokele-mbembe Bichir or Neolamprologus Pulcher aggressive?

Mokele-mbembe Bichir is moderately assertive (6/10) and Neolamprologus Pulcher is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Mokele-mbembe Bichir and Neolamprologus Pulcher need?

Their pH requirements do not overlap. Mokele-mbembe Bichir prefers 6.5–7.5, while Neolamprologus Pulcher needs 8–9. This makes them incompatible in the same water chemistry.

How do I manage Neolamprologus Pulcher's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Neolamprologus Pulcher 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 Mokele-mbembe Bichir being nocturnal affect compatibility?

Mokele-mbembe 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 Mokele-mbembe Bichir during evening hours.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 7, 2026
Last updated
May 7, 2026
Issues or corrections?
Contact the editorial team

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