Can Neon Blue Cichlid and One-Spot Betta Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Neon Blue Cichlid and One-Spot Betta 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

Neon Blue Cichlid

Paracyprichromis nigripinnis

One-Spot Betta

Betta unimaculata

🐠Family Group
Neon Blue Cichlid
Cichlids - African
One-Spot Betta
Anabantoids
Temperament
Neon Blue Cichlid
Mostly Peaceful (3/10)
One-Spot Betta
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Neon Blue Cichlid
24–27°C
One-Spot Betta
21–26°C
pH Range
✗ No overlap
Neon Blue Cichlid
8–9
One-Spot Betta
5–7.5
Hardness (dGH)
✓ Compatible
Neon Blue Cichlid
10–20
One-Spot Betta
1–10
Water Type
✓ Compatible
Neon Blue Cichlid
Freshwater Only
One-Spot Betta
Freshwater Only
Flow Preference
✓ Compatible
Neon Blue Cichlid
Moderate
One-Spot Betta
Moderate
Min Tank Volume
Combined: 150 L
Neon Blue Cichlid
150 L
One-Spot Betta
80 L
Swimming Level
Shared: 2 zones
Neon Blue Cichlid
MiddleBottom
One-Spot Betta
TopMiddleBottom
🏷️Behavior Tags
Neon Blue Cichlid
Hyperactive / Fast Swimmer
One-Spot Betta
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorTerritorial (Defends specific area)Jumper (Lid Required)Hyperactive / Fast SwimmerAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Neon Blue Cichlid and One-Spot Betta?

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.

Neon Blue Cichlid
One-Spot Betta
Test both in my tank

Behaviour & Temperament

Neon Blue Cichlid is a generally mild-mannered species (3/10), while One-Spot Betta is moderately assertive (6/10). This modest difference means One-Spot Betta may occasionally assert dominance over Neon Blue Cichlid.

Neon Blue Cichlid and One-Spot Betta 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: One-Spot Betta is a known jumper, so a tight-fitting lid is essential.

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 Neon Blue Cichlid (8–9) and One-Spot Betta (5–7.5) 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 Neon Blue Cichlid and One-Spot Betta together, plan for an aquarium of at least 150 litres with a minimum length of 90 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), Leaf Litter/Blackwater, Plants - Densely covered, Plants - Floating, 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

Neon Blue Cichlid and One-Spot Betta 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 Neon Blue Cichlid and One-Spot Betta.

Show 9 more tank sizes

Frequently Asked Questions

Can Neon Blue Cichlid and One-Spot Betta live together?

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

What size tank do Neon Blue Cichlid and One-Spot Betta need?

A minimum of 150 litres (tank length at least 90 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 Neon Blue Cichlid and One-Spot Betta 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 Neon Blue Cichlid or One-Spot Betta aggressive?

Neon Blue Cichlid is generally mild-mannered (3/10) and One-Spot Betta is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Neon Blue Cichlid and One-Spot Betta need?

Their pH requirements do not overlap. Neon Blue Cichlid prefers 8–9, while One-Spot Betta needs 5–7.5. This makes them incompatible in the same water chemistry.

How do I manage One-Spot Betta's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives One-Spot Betta 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