Can Freshwater Sole and Neolamprologus Pulcher Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Freshwater Sole and Neolamprologus Pulcher 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

Freshwater Sole

Brachirus selheimi

Neolamprologus Pulcher

Neolamprologus pulcher

🐠Family Group
Freshwater Sole
Oddballs
Neolamprologus Pulcher
Cichlids - African
Temperament
Freshwater Sole
Mostly Peaceful (4/10)
Neolamprologus Pulcher
Aggressive (7/10)
Temperature
✓ Compatible
Freshwater Sole
22–28°C
Neolamprologus Pulcher
24–27°C
pH Range
✗ No overlap
Freshwater Sole
6.5–7.8
Neolamprologus Pulcher
8–9
Hardness (dGH)
✓ Compatible
Freshwater Sole
5–15
Neolamprologus Pulcher
10–25
Water Type
✓ Compatible
Freshwater Sole
Brackish Tolerant
Neolamprologus Pulcher
Freshwater Only
Flow Preference
✓ Compatible
Freshwater Sole
Low
Neolamprologus Pulcher
Moderate
Min Tank Volume
Combined: 110 L
Freshwater Sole
110 L
Neolamprologus Pulcher
75 L
Swimming Level
Shared: 1 zone
Freshwater Sole
Bottom
Neolamprologus Pulcher
MiddleBottom
🏷️Behavior Tags
Freshwater Sole
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)Nocturnal
Neolamprologus Pulcher
Territorial (Defends specific area)Generally AggressiveAggressive to same species/look-alikesDigger (Disturbs Substrate)Shrimp Eater
Stocking calculator

Can your tank handle Freshwater Sole and Neolamprologus Pulcher?

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.

Freshwater Sole
Neolamprologus Pulcher
Test both in my tank

Behaviour & Temperament

Freshwater Sole is a generally mild-mannered species (4/10), while Neolamprologus Pulcher is semi-aggressive (7/10). This modest difference means Neolamprologus Pulcher may occasionally assert dominance over Freshwater Sole.

Freshwater Sole and Neolamprologus Pulcher both frequent the 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.

Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species.

Worth noting: Freshwater Sole is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

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 Freshwater Sole (6.5–7.8) and Neolamprologus Pulcher (8–9) 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 Freshwater Sole and Neolamprologus Pulcher together, plan for an aquarium of at least 110 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). 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

Freshwater Sole and Neolamprologus Pulcher 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 Freshwater Sole and Neolamprologus Pulcher.

Show 10 more tank sizes

Frequently Asked Questions

Can Freshwater Sole and Neolamprologus Pulcher live together?

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

What size tank do Freshwater Sole and Neolamprologus Pulcher need?

A minimum of 110 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 Freshwater Sole and Neolamprologus Pulcher 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 Freshwater Sole or Neolamprologus Pulcher aggressive?

Freshwater Sole is generally mild-mannered (4/10) and Neolamprologus Pulcher is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Freshwater Sole and Neolamprologus Pulcher need?

Their pH requirements do not overlap. Freshwater Sole prefers 6.5–7.8, while Neolamprologus Pulcher needs 8–9. This makes them incompatible in the same water chemistry.

How do I manage Neolamprologus Pulcher's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Neolamprologus Pulcher 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.

Does Freshwater Sole being nocturnal affect compatibility?

Freshwater Sole is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Freshwater Sole during evening hours.

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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