Can Banded Cichlid and Bulolo Rainbowfish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Not Recommended

Banded Cichlid and Bulolo Rainbowfish 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

Banded Cichlid

Heros notatus

Bulolo Rainbowfish

Chilatherina bulolo

🐠Family Group
Banded Cichlid
Cichlids - South American
Bulolo Rainbowfish
Rainbowfish
Temperament
Banded Cichlid
Mostly Peaceful (4/10)
Bulolo Rainbowfish
Peaceful (2/10)
Temperature
✓ Compatible
Banded Cichlid
23–29°C
Bulolo Rainbowfish
22–28°C
pH Range
✗ No overlap
Banded Cichlid
6–7.2
Bulolo Rainbowfish
7.5–8.8
Hardness (dGH)
✓ Compatible
Banded Cichlid
1–10
Bulolo Rainbowfish
8–20
Water Type
✓ Compatible
Banded Cichlid
Freshwater Only
Bulolo Rainbowfish
Freshwater Only
Flow Preference
✓ Compatible
Banded Cichlid
Moderate
Bulolo Rainbowfish
High
Min Tank Volume
Combined: 250 L
Banded Cichlid
250 L
Bulolo Rainbowfish
200 L
Swimming Level
Shared: 1 zone
Banded Cichlid
MiddleBottom
Bulolo Rainbowfish
MiddleTop
🏷️Behavior Tags
Banded Cichlid
Piscivore (Eats small/nano fish)Plant DestroyerTerritorial (Defends specific area)Digger (Disturbs Substrate)
Bulolo Rainbowfish
Hyperactive / Fast SwimmerJumper (Lid Required)
Stocking calculator

Can your tank handle Banded Cichlid and Bulolo Rainbowfish?

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.

Banded Cichlid
Bulolo Rainbowfish
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Behaviour & Temperament

Banded Cichlid is a generally mild-mannered species (4/10), while Bulolo Rainbowfish is peaceful (2/10). This modest difference means Banded Cichlid may occasionally assert dominance over Bulolo Rainbowfish.

Banded Cichlid and Bulolo Rainbowfish both frequent the 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.

Worth noting: Bulolo Rainbowfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 23°C and 28°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Banded Cichlid (6–7.2) and Bulolo Rainbowfish (7.5–8.8) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 8–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Banded Cichlid and Bulolo Rainbowfish together, plan for an aquarium of at least 250 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), Driftwood (Digestion/Hiding). 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

Banded Cichlid and Bulolo Rainbowfish 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 Banded Cichlid and Bulolo Rainbowfish.

Show 1 more tank size

Frequently Asked Questions

Can Banded Cichlid and Bulolo Rainbowfish live together?

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

What size tank do Banded Cichlid and Bulolo Rainbowfish need?

A minimum of 250 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 Banded Cichlid and Bulolo Rainbowfish together?

Keep the aquarium between 23°C and 28°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Banded Cichlid or Bulolo Rainbowfish aggressive?

Banded Cichlid is generally mild-mannered (4/10) and Bulolo Rainbowfish is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Banded Cichlid and Bulolo Rainbowfish need?

Their pH requirements do not overlap. Banded Cichlid prefers 6–7.2, while Bulolo Rainbowfish needs 7.5–8.8. This makes them incompatible in the same water chemistry.

How do I manage Banded Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Banded 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 3, 2026
Last updated
May 3, 2026
Issues or corrections?
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