Can Bolivian Ram and Frontosa Live Together?

🔴Not Recommended

Bolivian Ram and Frontosa are not recommended as tank mates due to conflicting pH requirements and incompatible hardness ranges. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Bolivian Ram

Mikrogeophagus altispinosus

Frontosa

Cyphotilapia frontosa

🐠Family Group
Bolivian Ram
Cichlids - South American
Frontosa
Cichlids - African
Temperament
Bolivian Ram
Mostly Peaceful (4/10)
Frontosa
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Bolivian Ram
23–28°C
Frontosa
23–27°C
pH Range
✗ No overlap
Bolivian Ram
6–7.5
Frontosa
8–9
Hardness (dGH)
✗ No overlap
Bolivian Ram
2–10
Frontosa
12–25
Water Type
✓ Compatible
Bolivian Ram
Freshwater Only
Frontosa
Freshwater Only
Flow Preference
✓ Compatible
Bolivian Ram
Low
Frontosa
Moderate
Min Tank Volume
Combined: 570 L
Bolivian Ram
75 L
Frontosa
475 L
Swimming Level
Shared: 2 zones
Bolivian Ram
BottomMiddle
Frontosa
MiddleBottom
🏷️Behavior Tags
Bolivian Ram
Digger (Disturbs Substrate)Territorial (Defends specific area)
Frontosa
Piscivore (Eats small/nano fish)Territorial (Defends specific area)Fry PredatorDigger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)

Behaviour & Temperament

Bolivian Ram is a generally mild-mannered species (4/10), while Frontosa is moderately assertive (5/10). This modest difference means Frontosa may occasionally assert dominance over Bolivian Ram.

Bolivian Ram and Frontosa 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 23°C and 27°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

The pH requirements of Bolivian Ram (6–7.5) and Frontosa (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Bolivian Ram needs 2–10 dGH while Frontosa requires 12–25 dGH. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Bolivian Ram and Frontosa together, plan for an aquarium of at least 570 litres with a minimum length of 180 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

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). 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.

Find the right tank equipment

Browse tanks, décor, and equipment suited for this setup.

Frequently Asked Questions

Can Bolivian Ram and Frontosa live together?

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

What size tank do Bolivian Ram and Frontosa need?

A minimum of 570 litres (tank length at least 180 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 Bolivian Ram and Frontosa together?

Keep the aquarium between 23°C and 27°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Bolivian Ram or Frontosa aggressive?

Bolivian Ram is generally mild-mannered (4/10) and Frontosa is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bolivian Ram and Frontosa need?

Their pH requirements do not overlap. Bolivian Ram prefers 6–7.5, while Frontosa needs 8–9. This makes them incompatible in the same water chemistry.

How do I manage Bolivian Ram's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Bolivian Ram 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.


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