Can Black Fin Cory and Maingano Mbuna Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Black Fin Cory and Maingano Mbuna 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

Black Fin Cory

Corydoras leucomelas

Maingano Mbuna

Pseudotropheus cyaneorhabdos

🐠Family Group
Black Fin Cory
Catfish
Maingano Mbuna
Cichlids - African
Temperament
Black Fin Cory
Peaceful (1/10)
Maingano Mbuna
Aggressive (8/10)
Temperature
✓ Compatible
Black Fin Cory
22–26°C
Maingano Mbuna
24–28°C
pH Range
✗ No overlap
Black Fin Cory
6–7.5
Maingano Mbuna
7.6–8.6
Hardness (dGH)
✓ Compatible
Black Fin Cory
2–15
Maingano Mbuna
10–25
Water Type
✓ Compatible
Black Fin Cory
Freshwater Only
Maingano Mbuna
Freshwater Only
Flow Preference
✓ Compatible
Black Fin Cory
Low
Maingano Mbuna
Moderate
Min Tank Volume
Combined: 200 L
Black Fin Cory
75 L
Maingano Mbuna
200 L
Swimming Level
Shared: 1 zone
Black Fin Cory
Bottom
Maingano Mbuna
BottomMiddle
🏷️Behavior Tags
Black Fin Cory
Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)
Maingano Mbuna
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerHyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Black Fin Cory and Maingano Mbuna?

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.

Black Fin Cory
Maingano Mbuna
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Behaviour & Temperament

Black Fin Cory is a peaceful species (1/10), while Maingano Mbuna is semi-aggressive (8/10). This notable difference means Maingano Mbuna may occasionally assert dominance over Black Fin Cory.

Large aggression gap (7 points) between Black Fin Cory and Maingano Mbuna increases stress risk for the more peaceful fish.

Black Fin Cory and Maingano Mbuna 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: Aggressive fish may bully and stress shy, slow-moving species. Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Water Parameters

The safe temperature window for both species falls between 24°C and 26°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

The pH requirements of Black Fin Cory (6–7.5) and Maingano Mbuna (7.6–8.6) 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 Black Fin Cory and Maingano Mbuna 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), Leaf Litter/Blackwater, 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

Black Fin Cory and Maingano Mbuna 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 Black Fin Cory and Maingano Mbuna.

Show 5 more tank sizes

Frequently Asked Questions

Can Black Fin Cory and Maingano Mbuna live together?

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

What size tank do Black Fin Cory and Maingano Mbuna 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 Black Fin Cory and Maingano Mbuna together?

Keep the aquarium between 24°C and 26°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Black Fin Cory or Maingano Mbuna aggressive?

Black Fin Cory is peaceful (1/10) and Maingano Mbuna is semi-aggressive (8/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Black Fin Cory and Maingano Mbuna need?

Their pH requirements do not overlap. Black Fin Cory prefers 6–7.5, while Maingano Mbuna needs 7.6–8.6. 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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