Red Eye Tetra Overview
The Red Eye Tetra is a popular freshwater fish known for its vibrant red eyes and sleek, silver body. They are generally peaceful and can be kept in a community tank with other non-aggressive species. Their moderate activity level makes them suitable for a variety of aquarium setups. With proper care, they can live up to 5 years.
Red Eye Tetra Scientific Classification
| Rank | Classification |
|---|---|
| Family | Characidae |
| Genus | Moenkhausia |
| Species | Moenkhausia sanctaefilomenae |
| Water type | freshwater |
Red Eye Tetra Natural Habitat
Native to the Amazon River basin in South America, the Red Eye Tetra thrives in slow-moving, clear waters with dense vegetation.
Red Eye Tetra Appearance & Size
The Red Eye Tetra has a slender body with a deep red patch behind the eyes and a silvery sheen along its sides.
Red Eye Tetra Behavior & Temperament
These tetras are not known to school in the wild but can be seen in groups in the aquarium. They are generally peaceful and can be kept with other small, peaceful fish.
| Trait | Value |
|---|---|
| Temperament | peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Red Eye Tetra Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6–7 | Avoid sudden swings |
| Hardness (GH) | 5-15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 20L (5 gal) | Larger tanks are easier to keep stable |
Interesting Facts About Red Eye Tetra
- They are known for their striking red eyes.
- They are a popular choice for beginners due to their hardiness and peaceful nature.
- They are often found in the aquarium trade as juveniles, which can be difficult to sex, but they develop distinct coloration as adults.
Species Related to Red Eye Tetra
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.