Latin Name: Moenkhausia sanctaefilomenae

Other Names: Red-eye Tetra, Yellow-banded moenkhausia

How hard are they to keep? Red-eyed Tetras are relatively easy to keep, making them suitable for beginner aquarists. They are hardy and adaptable fish.

What is its maximum size? Red-eyed Tetras typically grow to a maximum size of around 2.5 inches (6.5 centimetres) in length.

Where are they from? Red-eyed Tetras are native to South America and can be found in various regions, including the Paraná, Paraguay, and Alto Paraná river basins.

How many can I keep? They are shoaling fish and should be kept in groups of at least 6 individuals to ensure their well-being. Larger groups will exhibit more natural behavior and schooling dynamics.

How compatible are they with other fish? Red-eyed Tetras are generally peaceful and compatible with a wide range of community fish. They can coexist with other small, peaceful species such as tetras, rasboras, and livebearers.

What are the ideal water conditions? Red-eyed Tetras thrive in slightly acidic to neutral water conditions. The ideal water temperature for them is between 74°F and 80°F (23°C-27°C), while the pH level should be around 6.0-7.5. Provide a well-vegetated aquarium with open swimming spaces. The Red Eye Tetra that are for sale have been climatized to our local water conditions.

How do you tell the difference between male and female?
Males typically have more elongated dorsal fins and are generally more colourful. Females, on the other hand, tend to have rounder bodies and less intense coloration.

Fun Fact: Red-eyed Tetras get their name from their vivid red eyes, which provide a striking contrast to their yellowish body colour. They are active swimmers and a vibrant addition to peaceful community aquariums.