Species profile
Green Aeneus Cory Catfish
Corydoras aeneusGreen Aeneus Cory Catfish (Corydoras aeneus) is a schooling community species for a cycled 20+ gallon freshwater aquarium. Plan for about 2.5 inches as an adult, 72-78°F water, pH 6-7.5, and beginner-friendly care. Keep a group of at least 6; larger groups often behave more naturally when the tank has room.
Community leaningBeginner-friendly care
20 galMinimum tank
2.5 inAdult size
6Schooling minimum
72-78°FTemperature
Water Range
- pH
- 6-7.5
- GH
- 2-15 dGH
- KH
- 1-10 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- omnivore
- Diet difficulty
- 1/5
- Care difficulty
- 1/5
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These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
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