Can Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) Live Together?

🟡Possible with Caution

Keeping Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 570 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Blue Dolphin (Hap)

Cyrtocara moorii

Fairy Cichlid (Brichardi)

Neolamprologus brichardi

🐟Family Group
Blue Dolphin (Hap)
Cichlids - African
Fairy Cichlid (Brichardi)
Cichlids - African
Temperament
Blue Dolphin (Hap)
Semi-Aggressive (5/10)
Fairy Cichlid (Brichardi)
Aggressive (8/10)
Temperature
✓ Compatible
Blue Dolphin (Hap)
24–28°C
Fairy Cichlid (Brichardi)
23–27°C
pH Range
✓ Compatible
Blue Dolphin (Hap)
7.5–8.6
Fairy Cichlid (Brichardi)
8–9
Hardness (dGH)
✓ Compatible
Blue Dolphin (Hap)
10–25
Fairy Cichlid (Brichardi)
10–25
Water Type
✓ Compatible
Blue Dolphin (Hap)
Freshwater Only
Fairy Cichlid (Brichardi)
Freshwater Only
Flow Preference
✓ Compatible
Blue Dolphin (Hap)
Moderate
Fairy Cichlid (Brichardi)
Moderate
Min Tank Volume
Combined: 570 L
Blue Dolphin (Hap)
475 L
Fairy Cichlid (Brichardi)
110 L
Swimming Level
Shared: 2 zones
Blue Dolphin (Hap)
MiddleBottom
Fairy Cichlid (Brichardi)
MiddleBottom
🏷️Behavior Tags
Blue Dolphin (Hap)
Digger (Disturbs Substrate)Hyperactive / Fast SwimmerAggressive to same species/look-alikes
Fairy Cichlid (Brichardi)
Territorial (Defends specific area)Digger (Disturbs Substrate)Fry PredatorGenerally AggressiveAggressive to same species/look-alikes

Behaviour & Temperament

Blue Dolphin (Hap) is a moderately assertive species (5/10), while Fairy Cichlid (Brichardi) is semi-aggressive (8/10). This modest difference means Fairy Cichlid (Brichardi) may occasionally assert dominance over Blue Dolphin (Hap).

Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) both frequent the Middle (Open Water) and 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.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

Water Parameters

The safe temperature window for both species falls between 24°C and 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

Both fish can tolerate a pH between 8 and 8.6. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 10–25 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) together, plan for an aquarium of at least 570 litres with a minimum length of 150 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

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.

Find the right tank equipment

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

Frequently Asked Questions

Can Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 570 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) need?

A minimum of 570 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 Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) together?

Keep the aquarium between 24°C and 27°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Blue Dolphin (Hap) or Fairy Cichlid (Brichardi) aggressive?

Blue Dolphin (Hap) is moderately assertive (5/10) and Fairy Cichlid (Brichardi) is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Blue Dolphin (Hap) and Fairy Cichlid (Brichardi) need?

Both species overlap in the 8–8.6 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Fairy Cichlid (Brichardi)'s territorial behaviour?

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