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Corydoras aneus, commonly known as the Bronze Cory or Green Cory, is a beloved species among aquarists for its charming demeanor and ease of care. Native to South America, specifically the Amazon River basin, these small catfish are a popular choice for community aquariums.


Measuring around 2.5 inches (6.4 cm) in length, Corydoras aneus are peaceful and sociable fish, making them ideal tankmates for a variety of other species. Their bronze-colored bodies, adorned with dark spots and a distinct horizontal stripe, add visual interest to any aquarium.


One of the most notable features of Corydoras aneus is their behavior. They are active bottom-dwellers, constantly scavenging for food and interacting with their environment. These catfish are also known for their amusing habit of "winking" their eyes, which adds to their endearing appeal.

In terms of care, Corydoras aneus are undemanding, requiring a well-maintained aquarium with plenty of hiding places and soft, sandy substrate. They thrive on a diet of high-quality sinking pellets, flakes, and occasional treats like frozen or live foods.


Overall, Corydoras aneus are an excellent choice for aquarists of all experience levels, adding both beauty and entertainment to freshwater aquariums.


Corydoras aneus are relatively adaptable to a range of water parameters, but providing optimal conditions will ensure their health and longevity. Here are the recommended water parameters for keeping Corydoras aneus:


  • Temperature: Keep the water temperature between 72°F to 78°F (22°C to 26°C). Maintaining a stable temperature is crucial, as fluctuations can stress the fish.

  • pH Level: Aim for a slightly acidic to neutral pH level between 6.5 to 7.5. Corydoras aneus can tolerate a moderate range of pH levels, but extremes should be avoided.

  • Water Hardness: These catfish prefer slightly soft to medium-hard water with a dGH (degree of General Hardness) between 2 to 15.

  • Ammonia, Nitrite, and Nitrate Levels: Keep ammonia and nitrite levels at zero, as they are toxic to fish. Nitrate levels should be kept below 20 ppm (parts per million) through regular water changes and proper filtration.


Regular monitoring of water parameters using a reliable test kit and performing routine water changes will help maintain a healthy environment for Corydoras aneus.

Green Cory Cat (Pack of 4)


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