Can Neon Blue Cichlid and Pink Tailed Chalceus Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Neon Blue Cichlid and Pink Tailed Chalceus 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

Pink Tailed Chalceus

Chalceus macrolepidotus

🐠Family Group
Neon Blue Cichlid
Cichlids - African
Pink Tailed Chalceus
Characins
Temperament
Neon Blue Cichlid
Mostly Peaceful (3/10)
Pink Tailed Chalceus
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Neon Blue Cichlid
24–27°C
Pink Tailed Chalceus
23–28°C
pH Range
✗ No overlap
Neon Blue Cichlid
8–9
Pink Tailed Chalceus
6–7.5
Hardness (dGH)
✓ Compatible
Neon Blue Cichlid
10–20
Pink Tailed Chalceus
5–15
Water Type
✓ Compatible
Neon Blue Cichlid
Freshwater Only
Pink Tailed Chalceus
Freshwater Only
Flow Preference
✓ Compatible
Neon Blue Cichlid
Moderate
Pink Tailed Chalceus
High
Min Tank Volume
Combined: 250 L
Neon Blue Cichlid
150 L
Pink Tailed Chalceus
250 L
Swimming Level
✓ Different zones
Neon Blue Cichlid
MiddleBottom
Pink Tailed Chalceus
Top
🏷️Behavior Tags
Neon Blue Cichlid
Hyperactive / Fast Swimmer
Pink Tailed Chalceus
Jumper (Lid Required)Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerShrimp EaterAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Neon Blue Cichlid and Pink Tailed Chalceus?

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
Pink Tailed Chalceus
Test both in my tank

Behaviour & Temperament

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

In terms of spatial distribution, Neon Blue Cichlid prefers the Middle (Open Water) and Bottom (Substrate) zones, whereas Pink Tailed Chalceus occupies the Top (Surface) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Pink Tailed Chalceus 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 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Neon Blue Cichlid (8–9) and Pink Tailed Chalceus (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 Neon Blue Cichlid and Pink Tailed Chalceus together, plan for an aquarium of at least 250 litres with a minimum length of 120 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), Driftwood (Digestion/Hiding), Plants - Floating. 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 Pink Tailed Chalceus 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 Pink Tailed Chalceus.

Show 1 more tank size

Frequently Asked Questions

Can Neon Blue Cichlid and Pink Tailed Chalceus 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 Pink Tailed Chalceus need?

A minimum of 250 litres (tank length at least 120 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 Pink Tailed Chalceus 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 Neon Blue Cichlid or Pink Tailed Chalceus aggressive?

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

What pH do Neon Blue Cichlid and Pink Tailed Chalceus need?

Their pH requirements do not overlap. Neon Blue Cichlid prefers 8–9, while Pink Tailed Chalceus needs 6–7.5. This makes them incompatible in the same water chemistry.

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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