Can Honey Blue Eye and Neolamprologus Fasciatus Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Honey Blue Eye and Neolamprologus Fasciatus are not recommended as tank mates due to conflicting pH requirements and incompatible hardness ranges and piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Honey Blue Eye

Pseudomugil mellis

Neolamprologus Fasciatus

Neolamprologus fasciatus

🐠Family Group
Honey Blue Eye
Rainbowfish
Neolamprologus Fasciatus
Cichlids - African
Temperament
Honey Blue Eye
Peaceful (2/10)
Neolamprologus Fasciatus
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Honey Blue Eye
20–28°C
Neolamprologus Fasciatus
24–27°C
pH Range
✗ No overlap
Honey Blue Eye
4.5–7
Neolamprologus Fasciatus
7.8–9
Hardness (dGH)
✗ No overlap
Honey Blue Eye
1–8
Neolamprologus Fasciatus
10–25
Water Type
✓ Compatible
Honey Blue Eye
Freshwater Only
Neolamprologus Fasciatus
Freshwater Only
Flow Preference
✓ Compatible
Honey Blue Eye
Low
Neolamprologus Fasciatus
Moderate
Min Tank Volume
Combined: 200 L
Honey Blue Eye
40 L
Neolamprologus Fasciatus
200 L
Swimming Level
Shared: 1 zone
Honey Blue Eye
TopMiddle
Neolamprologus Fasciatus
BottomMiddle
🏷️Behavior Tags
Honey Blue Eye
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerJumper (Lid Required)Shy / Slow Moving (Easily Stressed)
Neolamprologus Fasciatus
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorTerritorial (Defends specific area)Aggressive to same species/look-alikes
Stocking calculator

Can your tank handle Honey Blue Eye and Neolamprologus Fasciatus?

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.

Honey Blue Eye
Neolamprologus Fasciatus
Test both in my tank

Behaviour & Temperament

Honey Blue Eye is a peaceful species (2/10), while Neolamprologus Fasciatus is moderately assertive (6/10). This notable difference means Neolamprologus Fasciatus may occasionally assert dominance over Honey Blue Eye.

Honey Blue Eye and Neolamprologus Fasciatus 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.

There is a critical concern: the Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) trait of the other — piscivorous fish will prey on nano-sized tank mates..

Additional behavioural considerations to keep in mind: Shrimp eaters may also prey on very small nano fish.

Worth noting: Honey Blue Eye 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 Honey Blue Eye (4.5–7) and Neolamprologus Fasciatus (7.8–9) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Honey Blue Eye needs 1–8 dGH while Neolamprologus Fasciatus requires 10–25 dGH.

Tank Setup

To house Honey Blue Eye and Neolamprologus Fasciatus together, plan for an aquarium of at least 200 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: Leaf Litter/Blackwater, Plants - Densely covered, Driftwood (Digestion/Hiding), Sand (Sifters), Shells (Breeding/Hiding). Meeting these requirements will help both species thrive.

Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Honey Blue Eye and Neolamprologus Fasciatus 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 Honey Blue Eye and Neolamprologus Fasciatus.

Show 5 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Neolamprologus Fasciatus is a known shrimp eater and may prey on small invertebrates or nano fish like Honey Blue Eye.

Frequently Asked Questions

Can Honey Blue Eye and Neolamprologus Fasciatus live together?

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

What size tank do Honey Blue Eye and Neolamprologus Fasciatus need?

A minimum of 200 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 Honey Blue Eye and Neolamprologus Fasciatus 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 Honey Blue Eye or Neolamprologus Fasciatus aggressive?

Honey Blue Eye is peaceful (2/10) and Neolamprologus Fasciatus is moderately assertive (6/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Honey Blue Eye and Neolamprologus Fasciatus need?

Their pH requirements do not overlap. Honey Blue Eye prefers 4.5–7, while Neolamprologus Fasciatus needs 7.8–9. This makes them incompatible in the same water chemistry.

How do I manage Neolamprologus Fasciatus's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Neolamprologus Fasciatus 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 6, 2026
Last updated
May 6, 2026
Issues or corrections?
Contact the editorial team

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