Green Aeneus Cory Catfish

The Aeneus Cory Green (Corydoras aeneus) is a charming and peaceful bottom-dwelling catfish with a beautiful metallic green sheen. These social scavengers are excellent for community aquariums, where they constantly search the substrate for food. Hardy, easy to care for, and endlessly entertaining to watch, the Aeneus Cory Green is perfect for both beginner and experienced aquarists seeking to add activity and natural behavior to their aquarium's lower levels.

Care Sheet – Aeneus Cory Green (Corydoras aeneus)

Temperament

• Peaceful, social schooling fish

• Best kept in groups of 6 or more for natural behavior

Adult Size

• 2–2.5 inches

Minimum Tank Size

• 20 gallons for a small school

Water Parameters

• Temperature: 72–79°F

• pH: 6.0–7.5

• Hardness: Soft to moderately hard (2–15 dGH)

• Ammonia/Nitrite: 0 ppm

• Nitrate: <20–30 ppm

Diet

• Omnivorous bottom feeder

• Feed a varied diet:

  • High-quality sinking pellets or wafers

  • Frozen or live foods: bloodworms, brine shrimp

  • Occasional vegetable matter

• Feed small amounts once daily

Behavior & Compatibility

• Excellent for peaceful community tanks

• Compatible with:

  • Small tetras, rasboras, and other peaceful fish

  • Other Corydoras species

  • Small gouramis and peaceful shrimp

• Avoid aggressive or large predatory fish

Aquarium Setup

• Soft sand substrate preferred to protect barbels

• Planted tanks with open bottom areas

• Smooth rocks and driftwood for hiding

• Clean, well-oxygenated water

Care Level

• Easy

• Very hardy and beginner-friendly

Lifespan

• 5–8 years with proper care

Special Notes

• Metallic green sheen intensifies under good lighting

• Very active and social when kept in groups

• Excellent clean-up crew for leftover food

• Peaceful addition to any community aquarium