Can Neon Blue Cichlid and Red Striped Eartheater Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Neon Blue Cichlid and Red Striped Eartheater 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

Red Striped Eartheater

Geophagus surinamensis

🐠Family Group
Neon Blue Cichlid
Cichlids - African
Red Striped Eartheater
Cichlids - South American
Temperament
Neon Blue Cichlid
Mostly Peaceful (3/10)
Red Striped Eartheater
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Neon Blue Cichlid
24–27°C
Red Striped Eartheater
24–28°C
pH Range
✗ No overlap
Neon Blue Cichlid
8–9
Red Striped Eartheater
6–7.5
Hardness (dGH)
✓ Compatible
Neon Blue Cichlid
10–20
Red Striped Eartheater
2–10
Water Type
✓ Compatible
Neon Blue Cichlid
Freshwater Only
Red Striped Eartheater
Freshwater Only
Flow Preference
✓ Compatible
Neon Blue Cichlid
Moderate
Red Striped Eartheater
Moderate
Min Tank Volume
Combined: 293 L
Neon Blue Cichlid
150 L
Red Striped Eartheater
250 L
Swimming Level
Shared: 2 zones
Neon Blue Cichlid
MiddleBottom
Red Striped Eartheater
BottomMiddle
🏷️Behavior Tags
Neon Blue Cichlid
Hyperactive / Fast Swimmer
Red Striped Eartheater
Digger (Disturbs Substrate)Fry PredatorHyperactive / Fast SwimmerAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Neon Blue Cichlid and Red Striped Eartheater?

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
Red Striped Eartheater
Test both in my tank

Behaviour & Temperament

Neon Blue Cichlid is a generally mild-mannered species (3/10), while Red Striped Eartheater is generally mild-mannered (4/10). This modest difference means Red Striped Eartheater may occasionally assert dominance over Neon Blue Cichlid.

Neon Blue Cichlid and Red Striped Eartheater 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.

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 Red Striped Eartheater (6–7.5) 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 Red Striped Eartheater together, plan for an aquarium of at least 293 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), Leaf Litter/Blackwater. 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 Red Striped Eartheater 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 Red Striped Eartheater.

Frequently Asked Questions

Can Neon Blue Cichlid and Red Striped Eartheater 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 Red Striped Eartheater need?

A minimum of 293 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 Red Striped Eartheater 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 Red Striped Eartheater aggressive?

Neon Blue Cichlid is generally mild-mannered (3/10) and Red Striped Eartheater is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Neon Blue Cichlid and Red Striped Eartheater need?

Their pH requirements do not overlap. Neon Blue Cichlid prefers 8–9, while Red Striped Eartheater 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

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