Can Livingston's Cichlid and Melon Barb Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Livingston's Cichlid and Melon Barb 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

Livingston's Cichlid

Nimbochromis livingstonii

Melon Barb

Haludaria fasciata

🐠Family Group
Livingston's Cichlid
Cichlids - African
Melon Barb
Cyprinids
Temperament
Livingston's Cichlid
Aggressive (8/10)
Melon Barb
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Livingston's Cichlid
23–28°C
Melon Barb
22–26°C
pH Range
✗ No overlap
Livingston's Cichlid
7.6–8.6
Melon Barb
6–7.5
Hardness (dGH)
✓ Compatible
Livingston's Cichlid
10–25
Melon Barb
2–15
Water Type
✓ Compatible
Livingston's Cichlid
Freshwater Only
Melon Barb
Freshwater Only
Flow Preference
✓ Compatible
Livingston's Cichlid
Moderate
Melon Barb
Moderate
Min Tank Volume
Combined: 470 L
Livingston's Cichlid
470 L
Melon Barb
110 L
Swimming Level
Shared: 2 zones
Livingston's Cichlid
MiddleBottom
Melon Barb
MiddleBottom
🏷️Behavior Tags
Livingston's Cichlid
Piscivore (Eats small/nano fish)Generally AggressiveTerritorial (Defends specific area)Aggressive to same species/look-alikesDigger (Disturbs Substrate)
Melon Barb
Hyperactive / Fast SwimmerFin NipperFry PredatorJumper (Lid Required)
Stocking calculator

Can your tank handle Livingston's Cichlid and Melon Barb?

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.

Livingston's Cichlid
Melon Barb
Test both in my tank

Behaviour & Temperament

Livingston's Cichlid is a semi-aggressive species (8/10), while Melon Barb is generally mild-mannered (3/10). This notable difference means Livingston's Cichlid may occasionally assert dominance over Melon Barb.

Livingston's Cichlid and Melon Barb 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.

Worth noting: Melon Barb 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 26°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.

The pH requirements of Livingston's Cichlid (7.6–8.6) and Melon Barb (6–7.5) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Livingston's Cichlid and Melon Barb together, plan for an aquarium of at least 470 litres with a minimum length of 150 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), Plants - Densely covered, 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

Livingston's Cichlid and Melon Barb 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 Livingston's Cichlid and Melon Barb.

Frequently Asked Questions

Can Livingston's Cichlid and Melon Barb live together?

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

What size tank do Livingston's Cichlid and Melon Barb need?

A minimum of 470 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 Livingston's Cichlid and Melon Barb together?

Keep the aquarium between 23°C and 26°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.

Are Livingston's Cichlid or Melon Barb aggressive?

Livingston's Cichlid is semi-aggressive (8/10) and Melon Barb is generally mild-mannered (3/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Livingston's Cichlid and Melon Barb need?

Their pH requirements do not overlap. Livingston's Cichlid prefers 7.6–8.6, while Melon Barb needs 6–7.5. This makes them incompatible in the same water chemistry.

Will Melon Barb nip Livingston's Cichlid's fins?

Melon Barb is a known fin nipper. If Livingston's Cichlid has long or flowing fins, there is a real risk of fin damage. Keeping Melon Barb in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Livingston's Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Livingston's 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 7, 2026
Last updated
May 7, 2026
Issues or corrections?
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