Can Buffalo Head Cichlid and Finger Fish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Not Recommended

Buffalo Head Cichlid and Finger Fish are not recommended as tank mates due to incompatible water types. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Buffalo Head Cichlid

Steatocranus casuarius

Finger Fish

Monodactylus argenteus

🐠Family Group
Buffalo Head Cichlid
Cichlids - African
Finger Fish
Oddballs
Temperament
Buffalo Head Cichlid
Semi-Aggressive (6/10)
Finger Fish
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Buffalo Head Cichlid
24–28°C
Finger Fish
24–28°C
pH Range
✓ Compatible
Buffalo Head Cichlid
6–7.5
Finger Fish
7.5–8.5
Hardness (dGH)
✓ Compatible
Buffalo Head Cichlid
4–15
Finger Fish
12–30
Water Type
✗ No overlap
Buffalo Head Cichlid
Freshwater Only
Finger Fish
Brackish Required
Flow Preference
✓ Compatible
Buffalo Head Cichlid
High
Finger Fish
Moderate
Min Tank Volume
Combined: 470 L
Buffalo Head Cichlid
110 L
Finger Fish
470 L
Swimming Level
✓ Different zones
Buffalo Head Cichlid
Bottom
Finger Fish
Middle
🏷️Behavior Tags
Buffalo Head Cichlid
Territorial (Defends specific area)Digger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)Fry Predator
Finger Fish
Hyperactive / Fast SwimmerFin NipperPlant DestroyerAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Buffalo Head Cichlid and Finger Fish?

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.

Buffalo Head Cichlid
Finger Fish
Test both in my tank

Behaviour & Temperament

Buffalo Head Cichlid is a moderately assertive species (6/10), while Finger Fish is moderately assertive (5/10). This modest difference means Buffalo Head Cichlid may occasionally assert dominance over Finger Fish.

In terms of spatial distribution, Buffalo Head Cichlid prefers the Bottom (Substrate) zone, whereas Finger Fish occupies the Middle (Open Water) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Additional behavioural considerations to keep in mind: 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 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 7.5 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 12–15 dGH. Regular testing will ensure conditions stay within this range.

Crucially, these species require different water types — one needs freshwater while the other requires brackish conditions. This is a hard barrier to keeping them together.

Tank Setup

To house Buffalo Head Cichlid and Finger Fish together, plan for an aquarium of at least 470 litres with a minimum length of 150 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). Meeting these requirements will help both species thrive.

Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Buffalo Head Cichlid and Finger Fish 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 Buffalo Head Cichlid and Finger Fish.

Frequently Asked Questions

Can Buffalo Head Cichlid and Finger Fish live together?

No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.

What size tank do Buffalo Head Cichlid and Finger Fish need?

A minimum of 470 litres (tank length at least 150 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 Buffalo Head Cichlid and Finger Fish 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 Buffalo Head Cichlid or Finger Fish aggressive?

Buffalo Head Cichlid is moderately assertive (6/10) and Finger Fish is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Buffalo Head Cichlid and Finger Fish need?

Both species overlap in the 7.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Finger Fish nip Buffalo Head Cichlid's fins?

Finger Fish is a known fin nipper. If Buffalo Head Cichlid has long or flowing fins, there is a real risk of fin damage. Keeping Finger Fish in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Buffalo Head Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Buffalo Head 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 4, 2026
Last updated
May 4, 2026
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