Can Bronze Corydoras and Julii Corydoras (False Julii) Live Together?

🟢Ideal Tank Mates

Yes, Bronze Corydoras and Julii Corydoras (False Julii) are ideal tank mates. Both species share compatible water parameters and peaceful temperaments, making them well-suited for a community aquarium. A minimum tank size of 72 litres is recommended.


At a Glance

Bronze Corydoras

Corydoras aeneus

Julii Corydoras (False Julii)

Corydoras trilineatus

🐟Family Group
Bronze Corydoras
Catfish
Julii Corydoras (False Julii)
Catfish
Temperament
Bronze Corydoras
Peaceful (1/10)
Julii Corydoras (False Julii)
Peaceful (0/10)
Temperature
✓ Compatible
Bronze Corydoras
22–27°C
Julii Corydoras (False Julii)
22–26°C
pH Range
✓ Compatible
Bronze Corydoras
6–7.5
Julii Corydoras (False Julii)
6–7.5
Hardness (dGH)
✓ Compatible
Bronze Corydoras
2–15
Julii Corydoras (False Julii)
2–15
Water Type
✓ Compatible
Bronze Corydoras
Freshwater Only
Julii Corydoras (False Julii)
Freshwater Only
Flow Preference
✓ Compatible
Bronze Corydoras
Moderate
Julii Corydoras (False Julii)
Moderate
Min Tank Volume
Combined: 72 L
Bronze Corydoras
60 L
Julii Corydoras (False Julii)
60 L
Swimming Level
Shared: 1 zone
Bronze Corydoras
Bottom
Julii Corydoras (False Julii)
Bottom
🏷️Behavior Tags
Bronze Corydoras
Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
Julii Corydoras (False Julii)
Hyperactive / Fast Swimmer

Behaviour & Temperament

Bronze Corydoras is a peaceful species (1/10), while Julii Corydoras (False Julii) is peaceful (0/10). This modest difference means Bronze Corydoras may occasionally assert dominance over Julii Corydoras (False Julii).

Bronze Corydoras and Julii Corydoras (False Julii) 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.

Water Parameters

The safe temperature window for both species falls between 22°C and 26°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 2–15 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Bronze Corydoras and Julii Corydoras (False Julii) together, plan for an aquarium of at least 72 litres with a minimum length of 60 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

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 moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Find the right tank equipment

Browse tanks, décor, and equipment suited for this setup.

Frequently Asked Questions

Can Bronze Corydoras and Julii Corydoras (False Julii) live together?

Yes. Bronze Corydoras and Julii Corydoras (False Julii) are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Bronze Corydoras and Julii Corydoras (False Julii) need?

A minimum of 72 litres (tank length at least 60 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 Bronze Corydoras and Julii Corydoras (False Julii) together?

Keep the aquarium between 22°C and 26°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.

Are Bronze Corydoras or Julii Corydoras (False Julii) aggressive?

Bronze Corydoras is peaceful (1/10) and Julii Corydoras (False Julii) is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bronze Corydoras and Julii Corydoras (False Julii) need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.


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