Can Bandit Cory and German Blue Ram Live Together?

Not Recommended

Bandit Cory and German Blue Ram are not recommended as tank mates due to no temperature overlap. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Bandit Cory

Corydoras metae

German Blue Ram

Mikrogeophagus ramirezi

🐠Family Group
Bandit Cory
Catfish
German Blue Ram
Cichlids - South American
Temperament
Bandit Cory
Peaceful (1/10)
German Blue Ram
Mostly Peaceful (4/10)
Temperature
βœ— No overlap
Bandit Cory
22–26Β°C
German Blue Ram
27–30Β°C
pH Range
βœ“ Compatible
Bandit Cory
6–7.5
German Blue Ram
5–7
Hardness (dGH)
βœ“ Compatible
Bandit Cory
2–15
German Blue Ram
1–8
Water Type
βœ“ Compatible
Bandit Cory
Freshwater Only
German Blue Ram
Freshwater Only
Flow Preference
βœ“ Compatible
Bandit Cory
Moderate
German Blue Ram
Low
Min Tank Volume
Combined: 60 L
Bandit Cory
60 L
German Blue Ram
60 L
Swimming Level
Shared: 1 zone
Bandit Cory
Bottom
German Blue Ram
MiddleBottom
🏷️Behavior Tags
Bandit Cory
Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
German Blue Ram
Territorial (Defends specific area)Digger (Disturbs Substrate)Fry PredatorShy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Bandit Cory and German Blue Ram?

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.

Bandit Cory
German Blue Ram
Test both in my tank

Behaviour & Temperament

Bandit Cory is a peaceful species (1/10), while German Blue Ram is generally mild-mannered (4/10). This modest difference means German Blue Ram may occasionally assert dominance over Bandit Cory.

Bandit Cory and German Blue Ram 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Water Parameters

There is no temperature overlap between Bandit Cory (22–26Β°C) and German Blue Ram (27–30Β°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 6 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 2–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Bandit Cory and German Blue Ram 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: Sand (Sifters), Plants - Densely covered, Driftwood (Digestion/Hiding), Leaf Litter/Blackwater. 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 Bandit Cory and German Blue Ram.

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Frequently Asked Questions

Can Bandit Cory and German Blue Ram live together?

No. This combination is not recommended. Key incompatibilities β€” such as non-overlapping temperature ranges β€” make cohabitation unsafe.

What size tank do Bandit Cory and German Blue Ram 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 Bandit Cory and German Blue Ram together?

Unfortunately, there is no temperature range that satisfies both species. Bandit Cory requires 22–26Β°C, while German Blue Ram needs 27–30Β°C.

Are Bandit Cory or German Blue Ram aggressive?

Bandit Cory is peaceful (1/10) and German Blue Ram is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bandit Cory and German Blue Ram need?

Both species overlap in the 6–7 pH range. Consistency is key β€” avoid sudden swings, and test regularly to stay within this window.

How do I manage German Blue Ram's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives German Blue Ram space to claim a territory without encroaching on the other fish's area. Adding dΓ©cor that divides the tank into distinct zones works especially well.


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