Species · Corydoras aeneus (now Osteogaster aenea)

Bronze corydoras: tank size, water and tank mates

Hardy beginner cory; albino and long-fin strains are the same species.

Adult size7.5 cm (3.0 in)
Minimum tank20 US gal
Temperature21–25 °C (70–77 °F)
pH6–7
Temperamentpeaceful
Keep in groups of6+
Swimsbottom
Shrimp & snailsUsually safe

Check a tank with Bronze corydoras

Good tank mates for Bronze corydoras

These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.

African butterflyfish · African dwarf frog · Amano shrimp · Assassin snail · Betta (male) · Black neon tetra · Black phantom tetra · Black ruby barb · Black skirt tetra · Bleeding heart tetra · Bloodfin tetra · Bristlenose pleco · Buenos Aires tetra · Bumblebee goby · Cardinal tetra · Celestial pearl danio · Checkerboard barb · Cherry barb · Cherry shrimp · Clown killifish · Clown pleco · Cockatoo dwarf cichlid · Colombian tetra · Congo tetra

Avoid with Bronze corydoras

Agassiz's dwarf cichlid (temperature) · Black ghost knifefish (predation) · Boeseman's rainbowfish (temperature) · Convict cichlid (temperature) · Demasoni cichlid (aggression) · Discus (temperature) · Firemouth cichlid (temperature) · German blue ram (temperature) · Jack Dempsey (aggression) · Jewel cichlid (aggression) · Moonlight gourami (temperature) · Oscar (predation) · Paradise fish (aggression) · Pea puffer (aggression) · Senegal bichir (predation) · Threadfin rainbowfish (temperature) · Zebra pleco (temperature)

Sources

Checked 2026-11-09 · confidence: high. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.