Can German Blue Ram and Loxozonus Corydoras (C079/C082) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Not Recommended

German Blue Ram and Loxozonus Corydoras (C079/C082) 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

German Blue Ram

Mikrogeophagus ramirezi

Loxozonus Corydoras (C079/C082)

Corydoras loxozonus

🐠Family Group
German Blue Ram
Cichlids - South American
Loxozonus Corydoras (C079/C082)
Catfish
Temperament
German Blue Ram
Mostly Peaceful (4/10)
Loxozonus Corydoras (C079/C082)
Peaceful (0/10)
Temperature
✗ No overlap
German Blue Ram
27–30°C
Loxozonus Corydoras (C079/C082)
22–26°C
pH Range
✓ Compatible
German Blue Ram
5–7
Loxozonus Corydoras (C079/C082)
6–7.2
Hardness (dGH)
✓ Compatible
German Blue Ram
1–8
Loxozonus Corydoras (C079/C082)
2–12
Water Type
✓ Compatible
German Blue Ram
Freshwater Only
Loxozonus Corydoras (C079/C082)
Freshwater Only
Flow Preference
✓ Compatible
German Blue Ram
Low
Loxozonus Corydoras (C079/C082)
Low
Min Tank Volume
Combined: 60 L
German Blue Ram
60 L
Loxozonus Corydoras (C079/C082)
60 L
Swimming Level
Shared: 1 zone
German Blue Ram
MiddleBottom
Loxozonus Corydoras (C079/C082)
Bottom
🏷️Behavior Tags
German Blue Ram
Territorial (Defends specific area)Digger (Disturbs Substrate)Fry PredatorShy / Slow Moving (Easily Stressed)
Loxozonus Corydoras (C079/C082)
Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle German Blue Ram and Loxozonus Corydoras (C079/C082)?

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.

German Blue Ram
Loxozonus Corydoras (C079/C082)
Test both in my tank

Behaviour & Temperament

German Blue Ram is a generally mild-mannered species (4/10), while Loxozonus Corydoras (C079/C082) is peaceful (0/10). This notable difference means German Blue Ram may occasionally assert dominance over Loxozonus Corydoras (C079/C082).

German Blue Ram and Loxozonus Corydoras (C079/C082) 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 German Blue Ram (27–30°C) and Loxozonus Corydoras (C079/C082) (22–26°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 German Blue Ram and Loxozonus Corydoras (C079/C082) 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 low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

German Blue Ram and Loxozonus Corydoras (C079/C082) 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 German Blue Ram and Loxozonus Corydoras (C079/C082).

Show 19 more tank sizes

Frequently Asked Questions

Can German Blue Ram and Loxozonus Corydoras (C079/C082) live together?

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

What size tank do German Blue Ram and Loxozonus Corydoras (C079/C082) 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 German Blue Ram and Loxozonus Corydoras (C079/C082) together?

Unfortunately, there is no temperature range that satisfies both species. German Blue Ram requires 27–30°C, while Loxozonus Corydoras (C079/C082) needs 22–26°C.

Are German Blue Ram or Loxozonus Corydoras (C079/C082) aggressive?

German Blue Ram is generally mild-mannered (4/10) and Loxozonus Corydoras (C079/C082) is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do German Blue Ram and Loxozonus Corydoras (C079/C082) need?

Both species overlap in the 6–7 pH range. Consistency is key — 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 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 3, 2026
Last updated
May 3, 2026
Issues or corrections?
Contact the editorial team

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