Can Dickfeld's Julie and Freshwater Angelfish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Dickfeld's Julie and Freshwater Angelfish 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

Dickfeld's Julie

Julidochromis dickfeldi

Freshwater Angelfish

Pterophyllum scalare

🐠Family Group
Dickfeld's Julie
Cichlids - African
Freshwater Angelfish
Cichlids - South American
Temperament
Dickfeld's Julie
Semi-Aggressive (6/10)
Freshwater Angelfish
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Dickfeld's Julie
23–27°C
Freshwater Angelfish
24–30°C
pH Range
✗ No overlap
Dickfeld's Julie
8–9
Freshwater Angelfish
6–7.8
Hardness (dGH)
✓ Compatible
Dickfeld's Julie
10–25
Freshwater Angelfish
3–15
Water Type
✓ Compatible
Dickfeld's Julie
Freshwater Only
Freshwater Angelfish
Freshwater Only
Flow Preference
✓ Compatible
Dickfeld's Julie
Moderate
Freshwater Angelfish
Low
Min Tank Volume
Combined: 150 L
Dickfeld's Julie
75 L
Freshwater Angelfish
150 L
Swimming Level
Shared: 1 zone
Dickfeld's Julie
BottomMiddle
Freshwater Angelfish
MiddleTop
🏷️Behavior Tags
Dickfeld's Julie
Territorial (Defends specific area)Aggressive to same species/look-alikesDigger (Disturbs Substrate)Shrimp EaterFry Predator
Freshwater Angelfish
Piscivore (Eats small/nano fish)Shrimp EaterAggressive to same species/look-alikesTerritorial (Defends specific area)Fin Nipper
Stocking calculator

Can your tank handle Dickfeld's Julie and Freshwater Angelfish?

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.

Dickfeld's Julie
Freshwater Angelfish
Test both in my tank

Behaviour & Temperament

Both Dickfeld's Julie and Freshwater Angelfish are moderately assertive species with an aggression score of 6/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Dickfeld's Julie and Freshwater Angelfish 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.

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 24°C and 27°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Dickfeld's Julie (8–9) and Freshwater Angelfish (6–7.8) 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 Dickfeld's Julie and Freshwater Angelfish together, plan for an aquarium of at least 150 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), Plants - Densely covered, Driftwood (Digestion/Hiding), Plants - lighly covered. 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

Dickfeld's Julie and Freshwater Angelfish 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 Dickfeld's Julie and Freshwater Angelfish.

Show 9 more tank sizes

Frequently Asked Questions

Can Dickfeld's Julie and Freshwater Angelfish live together?

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

What size tank do Dickfeld's Julie and Freshwater Angelfish need?

A minimum of 150 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 Dickfeld's Julie and Freshwater Angelfish 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 Dickfeld's Julie or Freshwater Angelfish aggressive?

Dickfeld's Julie is moderately assertive (6/10) and Freshwater Angelfish is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Dickfeld's Julie and Freshwater Angelfish need?

Their pH requirements do not overlap. Dickfeld's Julie prefers 8–9, while Freshwater Angelfish needs 6–7.8. This makes them incompatible in the same water chemistry.

Will Freshwater Angelfish nip Dickfeld's Julie's fins?

Freshwater Angelfish is a known fin nipper. If Dickfeld's Julie has long or flowing fins, there is a real risk of fin damage. Keeping Freshwater Angelfish in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Dickfeld's Julie's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Dickfeld's Julie 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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