Can Ghost Shrimp and True Julii Corydoras Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 1, 2026
Ideal Tank Mates

Yes, Ghost Shrimp and True Julii Corydoras 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 60 litres is recommended.


At a Glance

Ghost Shrimp

Palaemonetes paludosus

True Julii Corydoras

Corydoras julii

🐠Family Group
Ghost Shrimp
Invertebrates
True Julii Corydoras
Catfish
Temperament
Ghost Shrimp
Peaceful (1/10)
True Julii Corydoras
Peaceful (0/10)
Temperature
✓ Compatible
Ghost Shrimp
18–28°C
True Julii Corydoras
23–26°C
pH Range
✓ Compatible
Ghost Shrimp
6.5–8
True Julii Corydoras
6–7.5
Hardness (dGH)
✓ Compatible
Ghost Shrimp
5–15
True Julii Corydoras
2–15
Water Type
✓ Compatible
Ghost Shrimp
Freshwater Only
True Julii Corydoras
Freshwater Only
Flow Preference
✓ Compatible
Ghost Shrimp
Low
True Julii Corydoras
Moderate
Min Tank Volume
Combined: 60 L
Ghost Shrimp
19 L
True Julii Corydoras
60 L
Swimming Level
Shared: 1 zone
Ghost Shrimp
Bottom
True Julii Corydoras
Bottom
🏷️Behavior Tags
Ghost Shrimp
Nano / Bite-sized (Predation Risk)Hyperactive / Fast Swimmer
True Julii Corydoras
Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Ghost Shrimp and True Julii Corydoras?

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.

Ghost Shrimp
True Julii Corydoras
Test both in my tank

Behaviour & Temperament

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

Ghost Shrimp and True Julii Corydoras 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 23°C and 26°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 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 5–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Ghost Shrimp and True Julii Corydoras together, plan for an aquarium of at least 60 litres with a minimum length of 60 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: Plants - Densely covered, Leaf Litter/Blackwater, 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 Works in Practice

Ghost Shrimp and True Julii Corydoras work best when the tank gives each fish enough room to use its preferred level of the aquarium and enough cover to avoid constant visual contact. The score matters, but the real-world success usually comes from matching their pace, keeping water stable, and resisting the urge to crowd the tank just because the pair looks safe on paper.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Ghost Shrimp and True Julii Corydoras.

Show 19 more tank sizes

Frequently Asked Questions

Can Ghost Shrimp and True Julii Corydoras live together?

Yes. Ghost Shrimp and True Julii Corydoras are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Ghost Shrimp and True Julii Corydoras need?

A minimum of 60 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 Ghost Shrimp and True Julii Corydoras together?

Keep the aquarium between 23°C and 26°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.

Are Ghost Shrimp or True Julii Corydoras aggressive?

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

What pH do Ghost Shrimp and True Julii Corydoras need?

Both species overlap in the 6.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 1, 2026
Last updated
May 1, 2026
Issues or corrections?
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