Can Chocolate Cichlid and Masked Julie (Julidochromis) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Not Recommended

Chocolate Cichlid and Masked Julie (Julidochromis) 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

Chocolate Cichlid

Hypselecara temporalis

Masked Julie (Julidochromis)

Julidochromis transcriptus

🐠Family Group
Chocolate Cichlid
Cichlids - South American
Masked Julie (Julidochromis)
Cichlids - African
Temperament
Chocolate Cichlid
Mostly Peaceful (4/10)
Masked Julie (Julidochromis)
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Chocolate Cichlid
25–30°C
Masked Julie (Julidochromis)
23–27°C
pH Range
✗ No overlap
Chocolate Cichlid
5–7.5
Masked Julie (Julidochromis)
8–9
Hardness (dGH)
✓ Compatible
Chocolate Cichlid
1–12
Masked Julie (Julidochromis)
10–20
Water Type
✓ Compatible
Chocolate Cichlid
Freshwater Only
Masked Julie (Julidochromis)
Freshwater Only
Flow Preference
✓ Compatible
Chocolate Cichlid
Moderate
Masked Julie (Julidochromis)
Moderate
Min Tank Volume
Combined: 280 L
Chocolate Cichlid
280 L
Masked Julie (Julidochromis)
60 L
Swimming Level
Shared: 2 zones
Chocolate Cichlid
MiddleBottom
Masked Julie (Julidochromis)
BottomMiddle
🏷️Behavior Tags
Chocolate Cichlid
Territorial (Defends specific area)Piscivore (Eats small/nano fish)Shy / Slow Moving (Easily Stressed)
Masked Julie (Julidochromis)
Territorial (Defends specific area)Aggressive to same species/look-alikesFry PredatorShy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Chocolate Cichlid and Masked Julie (Julidochromis)?

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.

Chocolate Cichlid
Masked Julie (Julidochromis)
Test both in my tank

Behaviour & Temperament

Chocolate Cichlid is a generally mild-mannered species (4/10), while Masked Julie (Julidochromis) is moderately assertive (6/10). This modest difference means Masked Julie (Julidochromis) may occasionally assert dominance over Chocolate Cichlid.

Chocolate Cichlid and Masked Julie (Julidochromis) 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.

Additional behavioural considerations to keep in mind: Two territorial species may clash over territory, especially in smaller tanks.

Water Parameters

The safe temperature window for both species falls between 25°C and 27°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

The pH requirements of Chocolate Cichlid (5–7.5) and Masked Julie (Julidochromis) (8–9) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Chocolate Cichlid and Masked Julie (Julidochromis) together, plan for an aquarium of at least 280 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: Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Plants - Floating, Sand (Sifters). 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

Chocolate Cichlid and Masked Julie (Julidochromis) 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 Chocolate Cichlid and Masked Julie (Julidochromis).

Show 1 more tank size

Frequently Asked Questions

Can Chocolate Cichlid and Masked Julie (Julidochromis) live together?

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

What size tank do Chocolate Cichlid and Masked Julie (Julidochromis) need?

A minimum of 280 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 Chocolate Cichlid and Masked Julie (Julidochromis) together?

Keep the aquarium between 25°C and 27°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Chocolate Cichlid or Masked Julie (Julidochromis) aggressive?

Chocolate Cichlid is generally mild-mannered (4/10) and Masked Julie (Julidochromis) is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Chocolate Cichlid and Masked Julie (Julidochromis) need?

Their pH requirements do not overlap. Chocolate Cichlid prefers 5–7.5, while Masked Julie (Julidochromis) needs 8–9. This makes them incompatible in the same water chemistry.

How do I manage Chocolate Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Chocolate Cichlid 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 3, 2026
Last updated
May 3, 2026
Issues or corrections?
Contact the editorial team

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