German Blue Ram vs Bronze Corydoras: can they live together?

A structured comparison of water overlap, adult size, social needs and behavioral risk.

caution

Possible, but with meaningful cautions

Their temperature overlap is narrow, leaving little room for seasonal or measurement variation.

Practical response: Target the middle of the shared temperature range and monitor stability.

German Blue Ram

Adult size
6 cm / 2.4 in
Tank reference
75+ L / 19.8+ US gal
Group
2+
Zone
bottom
Temperature
26–30°C / 78.8–86°F

Bronze Corydoras

Adult size
7 cm / 2.8 in
Tank reference
70+ L / 18.5+ US gal
Group
6+
Zone
bottom
Temperature
21–27°C / 69.8–80.6°F

Water parameter overlap

Temperature
26–27°C / 78.8–80.6°F shared range
pH
pH 6.0–7.2 shared range

Behavior and space

A warm-water dwarf cichlid that needs stable conditions and may defend a breeding territory. Social bottom dwellers that should be kept in a group over smooth sand or similarly gentle substrate.

A compatibility answer should also consider the actual tank dimensions, number of each fish, filtration, planting and other occupants. Two species can be reasonable together in a long, structured aquarium yet become a poor pairing when compressed into a small footprint.

Common questions

Can German Blue Ram live with Bronze Corydoras?

The StockingLab verdict is caution: Their temperature overlap is narrow, leaving little room for seasonal or measurement variation.

Do their temperatures overlap?

26–27°C / 78.8–80.6°F shared range.

Should I trust compatibility calculators completely?

No. Individual behavior, sex ratios, breeding condition, aquascape and tank size can change the outcome. Use the result to identify risks, then verify care requirements before purchase.