Can Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) 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

Delicate Blue-Eye

Pseudomugil tenellus

Socolofi Cichlid (Pseudotropheus Socolofi)

Chindongo socolofi

🐠Family Group
Delicate Blue-Eye
Rainbowfish
Socolofi Cichlid (Pseudotropheus Socolofi)
Cichlids - African
Temperament
Delicate Blue-Eye
Peaceful (1/10)
Socolofi Cichlid (Pseudotropheus Socolofi)
Aggressive (8/10)
Temperature
✓ Compatible
Delicate Blue-Eye
25–32°C
Socolofi Cichlid (Pseudotropheus Socolofi)
24–28°C
pH Range
✗ No overlap
Delicate Blue-Eye
5–7.5
Socolofi Cichlid (Pseudotropheus Socolofi)
7.6–8.6
Hardness (dGH)
✓ Compatible
Delicate Blue-Eye
5–15
Socolofi Cichlid (Pseudotropheus Socolofi)
10–25
Water Type
✓ Compatible
Delicate Blue-Eye
Brackish Tolerant
Socolofi Cichlid (Pseudotropheus Socolofi)
Freshwater Only
Flow Preference
✓ Compatible
Delicate Blue-Eye
Moderate
Socolofi Cichlid (Pseudotropheus Socolofi)
Moderate
Min Tank Volume
Combined: 253 L
Delicate Blue-Eye
60 L
Socolofi Cichlid (Pseudotropheus Socolofi)
200 L
Swimming Level
Shared: 1 zone
Delicate Blue-Eye
TopMiddle
Socolofi Cichlid (Pseudotropheus Socolofi)
MiddleBottom
🏷️Behavior Tags
Delicate Blue-Eye
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerJumper (Lid Required)Fry Predator
Socolofi Cichlid (Pseudotropheus Socolofi)
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerHyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi)?

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.

Delicate Blue-Eye
Socolofi Cichlid (Pseudotropheus Socolofi)
Test both in my tank

Behaviour & Temperament

Delicate Blue-Eye is a peaceful species (1/10), while Socolofi Cichlid (Pseudotropheus Socolofi) is semi-aggressive (8/10). This notable difference means Socolofi Cichlid (Pseudotropheus Socolofi) may occasionally assert dominance over Delicate Blue-Eye.

Large aggression gap (7 points) between Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) increases stress risk for the more peaceful fish.

Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) both frequent the Middle (Open Water) 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: Delicate Blue-Eye is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 25°C and 28°C. Aim for the midpoint of this range (around 26.5°C) for optimal comfort.

The pH requirements of Delicate Blue-Eye (5–7.5) and Socolofi Cichlid (Pseudotropheus Socolofi) (7.6–8.6) 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 Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) together, plan for an aquarium of at least 253 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: Plants - Densely covered, Plants - Floating, Sand (Sifters), Established Algae (Otocinclus), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Note a potential conflict in setup requirements: Socolofi Cichlid (Pseudotropheus Socolofi) is a plant destroyer, which conflicts with Delicate Blue-Eye's requirement for live plants. Compromise where possible or prioritise the more critical need.

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

Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) 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 Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi).

Show 1 more tank size

Frequently Asked Questions

Can Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) live together?

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

What size tank do Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) need?

A minimum of 253 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 Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) together?

Keep the aquarium between 25°C and 28°C. A target of around 26.5°C sits comfortably within both species' preferred ranges.

Are Delicate Blue-Eye or Socolofi Cichlid (Pseudotropheus Socolofi) aggressive?

Delicate Blue-Eye is peaceful (1/10) and Socolofi Cichlid (Pseudotropheus Socolofi) is semi-aggressive (8/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Delicate Blue-Eye and Socolofi Cichlid (Pseudotropheus Socolofi) need?

Their pH requirements do not overlap. Delicate Blue-Eye prefers 5–7.5, while Socolofi Cichlid (Pseudotropheus Socolofi) needs 7.6–8.6. This makes them incompatible in the same water chemistry.

How do I manage Socolofi Cichlid (Pseudotropheus Socolofi)'s territorial behaviour?

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

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