Can Agassiz Cory and Chinese Barb (Green Barb) Live Together?

Ideal Tank Mates

Yes, Agassiz Cory and Chinese Barb (Green Barb) 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 75 litres is recommended.


At a Glance

Agassiz Cory

Corydoras agassizii

Chinese Barb (Green Barb)

Puntius semifasciolatus

🐠Family Group
Agassiz Cory
Catfish
Chinese Barb (Green Barb)
Cyprinids
Temperament
Agassiz Cory
Peaceful (0/10)
Chinese Barb (Green Barb)
Peaceful (2/10)
Temperature
✓ Compatible
Agassiz Cory
22–27°C
Chinese Barb (Green Barb)
16–26°C
pH Range
✓ Compatible
Agassiz Cory
6–8
Chinese Barb (Green Barb)
6–8
Hardness (dGH)
✓ Compatible
Agassiz Cory
2–15
Chinese Barb (Green Barb)
2–15
Water Type
✓ Compatible
Agassiz Cory
Freshwater Only
Chinese Barb (Green Barb)
Freshwater Only
Flow Preference
✓ Compatible
Agassiz Cory
Moderate
Chinese Barb (Green Barb)
Moderate
Min Tank Volume
Combined: 75 L
Agassiz Cory
60 L
Chinese Barb (Green Barb)
75 L
Swimming Level
Shared: 1 zone
Agassiz Cory
Bottom
Chinese Barb (Green Barb)
MiddleBottom
🏷️Behavior Tags
Agassiz Cory
Digger (Disturbs Substrate)Hyperactive / Fast Swimmer
Chinese Barb (Green Barb)
Hyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Fry Predator
Stocking calculator

Can your tank handle Agassiz Cory and Chinese Barb (Green Barb)?

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.

Agassiz Cory
Chinese Barb (Green Barb)
Test both in my tank

Behaviour & Temperament

Agassiz Cory is a peaceful species (0/10), while Chinese Barb (Green Barb) is peaceful (2/10). This modest difference means Chinese Barb (Green Barb) may occasionally assert dominance over Agassiz Cory.

Agassiz Cory and Chinese Barb (Green Barb) 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 8. 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.

Tank Setup

To house Agassiz Cory and Chinese Barb (Green Barb) together, plan for an aquarium of at least 75 litres with a minimum length of 80 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. 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Agassiz Cory and Chinese Barb (Green Barb).

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Frequently Asked Questions

Can Agassiz Cory and Chinese Barb (Green Barb) live together?

Yes. Agassiz Cory and Chinese Barb (Green Barb) are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Agassiz Cory and Chinese Barb (Green Barb) need?

A minimum of 75 litres (tank length at least 80 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 Agassiz Cory and Chinese Barb (Green Barb) 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 Agassiz Cory or Chinese Barb (Green Barb) aggressive?

Agassiz Cory is peaceful (0/10) and Chinese Barb (Green Barb) is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Agassiz Cory and Chinese Barb (Green Barb) need?

Both species overlap in the 6–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.


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