Can Maingano Mbuna and Severum Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Maingano Mbuna and Severum 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

Maingano Mbuna

Pseudotropheus cyaneorhabdos

Severum

Heros severus

🐠Family Group
Maingano Mbuna
Cichlids - African
Severum
Cichlids - South American
Temperament
Maingano Mbuna
Aggressive (8/10)
Severum
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Maingano Mbuna
24–28°C
Severum
24–29°C
pH Range
✗ No overlap
Maingano Mbuna
7.6–8.6
Severum
6–7.5
Hardness (dGH)
✓ Compatible
Maingano Mbuna
10–25
Severum
4–15
Water Type
✓ Compatible
Maingano Mbuna
Freshwater Only
Severum
Freshwater Only
Flow Preference
✓ Compatible
Maingano Mbuna
Moderate
Severum
Moderate
Min Tank Volume
Combined: 280 L
Maingano Mbuna
200 L
Severum
280 L
Swimming Level
Shared: 2 zones
Maingano Mbuna
BottomMiddle
Severum
MiddleBottom
🏷️Behavior Tags
Maingano Mbuna
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerHyperactive / Fast Swimmer
Severum
Plant DestroyerTerritorial (Defends specific area)Digger (Disturbs Substrate)
Stocking calculator

Can your tank handle Maingano Mbuna and Severum?

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.

Maingano Mbuna
Severum
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Behaviour & Temperament

Maingano Mbuna is a semi-aggressive species (8/10), while Severum is moderately assertive (5/10). This modest difference means Maingano Mbuna may occasionally assert dominance over Severum.

Maingano Mbuna and Severum both frequent the Bottom (Substrate) and Middle (Open Water) 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: Two territorial species may clash over territory, especially in smaller tanks.

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 Maingano Mbuna (7.6–8.6) and Severum (6–7.5) 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 Maingano Mbuna and Severum together, plan for an aquarium of at least 280 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), Established Algae (Otocinclus), Driftwood (Digestion/Hiding), 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

Maingano Mbuna and Severum 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 Maingano Mbuna and Severum.

Show 1 more tank size

Frequently Asked Questions

Can Maingano Mbuna and Severum live together?

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

What size tank do Maingano Mbuna and Severum need?

A minimum of 280 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 Maingano Mbuna and Severum 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 Maingano Mbuna or Severum aggressive?

Maingano Mbuna is semi-aggressive (8/10) and Severum is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Maingano Mbuna and Severum need?

Their pH requirements do not overlap. Maingano Mbuna prefers 7.6–8.6, while Severum needs 6–7.5. This makes them incompatible in the same water chemistry.

How do I manage Maingano Mbuna's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Maingano Mbuna 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?
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