Can Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Duplicareus Corydoras 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

Duplicareus Corydoras

Corydoras duplicareus

Venustus Cichlid (Giraffe Hap)

Nimbochromis venustus

🐠Family Group
Duplicareus Corydoras
Catfish
Venustus Cichlid (Giraffe Hap)
Cichlids - African
Temperament
Duplicareus Corydoras
Peaceful (0/10)
Venustus Cichlid (Giraffe Hap)
Aggressive (8/10)
Temperature
✓ Compatible
Duplicareus Corydoras
22–26°C
Venustus Cichlid (Giraffe Hap)
24–28°C
pH Range
✗ No overlap
Duplicareus Corydoras
6–7.2
Venustus Cichlid (Giraffe Hap)
7.8–8.6
Hardness (dGH)
✓ Compatible
Duplicareus Corydoras
2–12
Venustus Cichlid (Giraffe Hap)
10–25
Water Type
✓ Compatible
Duplicareus Corydoras
Freshwater Only
Venustus Cichlid (Giraffe Hap)
Freshwater Only
Flow Preference
✓ Compatible
Duplicareus Corydoras
Moderate
Venustus Cichlid (Giraffe Hap)
Moderate
Min Tank Volume
Combined: 475 L
Duplicareus Corydoras
60 L
Venustus Cichlid (Giraffe Hap)
475 L
Swimming Level
Shared: 1 zone
Duplicareus Corydoras
Bottom
Venustus Cichlid (Giraffe Hap)
MiddleBottom
🏷️Behavior Tags
Duplicareus Corydoras
Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
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 Duplicareus Corydoras 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.

Duplicareus Corydoras
Venustus Cichlid (Giraffe Hap)
Test both in my tank

Behaviour & Temperament

Duplicareus Corydoras is a peaceful species (0/10), while Venustus Cichlid (Giraffe Hap) is semi-aggressive (8/10). This notable difference means Venustus Cichlid (Giraffe Hap) may occasionally assert dominance over Duplicareus Corydoras.

Large aggression gap (8 points) between Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap) increases stress risk for the more peaceful fish.

Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap) 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.

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 Duplicareus Corydoras (6–7.2) 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 10–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Duplicareus Corydoras 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 moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Duplicareus Corydoras 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 Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap).

Frequently Asked Questions

Can Duplicareus Corydoras 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 Duplicareus Corydoras 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 Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap) 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 Duplicareus Corydoras or Venustus Cichlid (Giraffe Hap) aggressive?

Duplicareus Corydoras is peaceful (0/10) 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 Duplicareus Corydoras and Venustus Cichlid (Giraffe Hap) need?

Their pH requirements do not overlap. Duplicareus Corydoras prefers 6–7.2, while Venustus Cichlid (Giraffe Hap) needs 7.8–8.6. This makes them incompatible in the same water chemistry.

How do I manage Venustus Cichlid (Giraffe Hap)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Venustus Cichlid (Giraffe Hap) 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

Related Comparisons

Duplicareus Corydoras & Adolfo Cory

·

Ideal Tank Mates
Duplicareus Corydoras: PeacefulAdolfo Cory: Peaceful

Duplicareus Corydoras & Agassiz Cory

·

Ideal Tank Mates
Duplicareus Corydoras: PeacefulAgassiz Cory: Peaceful

Duplicareus Corydoras & Asher Cory

·

Ideal Tank Mates
Duplicareus Corydoras: PeacefulAsher Cory: Peaceful

Duplicareus Corydoras & Bandit Cory

·

Ideal Tank Mates
Duplicareus Corydoras: PeacefulBandit Cory: Peaceful

Duplicareus Corydoras & Bearded Cory

·

Possible with Caution
Duplicareus Corydoras: PeacefulBearded Cory: Peaceful

Duplicareus Corydoras & Black Corydoras

·

Ideal Tank Mates
Duplicareus Corydoras: PeacefulBlack Corydoras: Peaceful

Venustus Cichlid (Giraffe Hap) & Afra Cichlid

·

Possible with Caution
Venustus Cichlid (Giraffe Hap): PeacefulAfra Cichlid: Peaceful

Venustus Cichlid (Giraffe Hap) & African Jewel Cichlid

·

Not Recommended
Venustus Cichlid (Giraffe Hap): PeacefulAfrican Jewel Cichlid: Peaceful

Venustus Cichlid (Giraffe Hap) & Altolamprologus Compressiceps

·

Possible with Caution
Venustus Cichlid (Giraffe Hap): PeacefulAltolamprologus Compressiceps: Peaceful

Venustus Cichlid (Giraffe Hap) & Auratus Cichlid (Mbuna)

·

Possible with Caution
Venustus Cichlid (Giraffe Hap): PeacefulAuratus Cichlid (Mbuna): Peaceful

Venustus Cichlid (Giraffe Hap) & Aurora Yellow Mbuna

·

Possible with Caution
Venustus Cichlid (Giraffe Hap): PeacefulAurora Yellow Mbuna: Peaceful

Venustus Cichlid (Giraffe Hap) & Black Diamond Cichlid

·

Possible with Caution
Venustus Cichlid (Giraffe Hap): PeacefulBlack Diamond Cichlid: Peaceful