Can Bolivian Ram and Venustus Cichlid (Giraffe Hap) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Bolivian Ram and Venustus Cichlid (Giraffe Hap) 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

Bolivian Ram

Mikrogeophagus altispinosus

Venustus Cichlid (Giraffe Hap)

Nimbochromis venustus

🐠Family Group
Bolivian Ram
Cichlids - South American
Venustus Cichlid (Giraffe Hap)
Cichlids - African
Temperament
Bolivian Ram
Mostly Peaceful (4/10)
Venustus Cichlid (Giraffe Hap)
Aggressive (8/10)
Temperature
✓ Compatible
Bolivian Ram
23–28°C
Venustus Cichlid (Giraffe Hap)
24–28°C
pH Range
✗ No overlap
Bolivian Ram
6–7.5
Venustus Cichlid (Giraffe Hap)
7.8–8.6
Hardness (dGH)
✓ Compatible
Bolivian Ram
2–10
Venustus Cichlid (Giraffe Hap)
10–25
Water Type
✓ Compatible
Bolivian Ram
Freshwater Only
Venustus Cichlid (Giraffe Hap)
Freshwater Only
Flow Preference
✓ Compatible
Bolivian Ram
Low
Venustus Cichlid (Giraffe Hap)
Moderate
Min Tank Volume
Combined: 475 L
Bolivian Ram
75 L
Venustus Cichlid (Giraffe Hap)
475 L
Swimming Level
Shared: 2 zones
Bolivian Ram
BottomMiddle
Venustus Cichlid (Giraffe Hap)
MiddleBottom
🏷️Behavior Tags
Bolivian Ram
Digger (Disturbs Substrate)Territorial (Defends specific area)
Venustus Cichlid (Giraffe Hap)
Piscivore (Eats small/nano fish)Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
Stocking calculator

Can your tank handle Bolivian Ram and Venustus Cichlid (Giraffe Hap)?

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.

Bolivian Ram
Venustus Cichlid (Giraffe Hap)
Test both in my tank

Behaviour & Temperament

Bolivian Ram is a generally mild-mannered species (4/10), while Venustus Cichlid (Giraffe Hap) is semi-aggressive (8/10). This notable difference means Venustus Cichlid (Giraffe Hap) may occasionally assert dominance over Bolivian Ram.

Bolivian Ram and Venustus Cichlid (Giraffe Hap) 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 Bolivian Ram (6–7.5) and Venustus Cichlid (Giraffe Hap) (7.8–8.6) do not overlap, making it impossible to satisfy both species simultaneously.

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

Tank Setup

To house Bolivian Ram and Venustus Cichlid (Giraffe Hap) together, plan for an aquarium of at least 475 litres with a minimum length of 180 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). 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

Bolivian Ram and Venustus Cichlid (Giraffe Hap) 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 Bolivian Ram and Venustus Cichlid (Giraffe Hap).

Frequently Asked Questions

Can Bolivian Ram and Venustus Cichlid (Giraffe Hap) 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 Venustus Cichlid (Giraffe Hap) need?

A minimum of 475 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 Venustus Cichlid (Giraffe Hap) 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 Bolivian Ram or Venustus Cichlid (Giraffe Hap) aggressive?

Bolivian Ram is generally mild-mannered (4/10) and Venustus Cichlid (Giraffe Hap) 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 Bolivian Ram and Venustus Cichlid (Giraffe Hap) need?

Their pH requirements do not overlap. Bolivian Ram prefers 6–7.5, while Venustus Cichlid (Giraffe Hap) needs 7.8–8.6. 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.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 7, 2026
Last updated
May 7, 2026
Issues or corrections?
Contact the editorial team

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