Red-eye Tetra
Moenkhausia sanctaefilomenae
Beginner
Freshwater
Peaceful but may nip the fins of slow fish. Very active and gregarious.
Characidae
Max Size
57.0 cm (22.4")
Min Tank
80 L (21 gal)
Min Group
6+
Diet
Opportunistic omnivore. Accepts flakes, pellets, brine shrimp and daphnia. May nibble on soft plants.
Water Parameters
Temperature
22.0-28.0°C
72-82°F
pH
5.5-8.0
Hardness (dGH)
5.0-20.0
Min Tank Size
80 L
21 gal
About
The Fire-eye Tetra is recognized by the golden-yellow band that surrounds the upper part of the eyes. It is one of the most popular and hardy tetras, widely distributed in South America.
Behavior & Temperament
Peaceful but may nip the fins of slow fish. Very active and gregarious.
Feeding
Opportunistic omnivore. Accepts flakes, pellets, brine shrimp and daphnia. May nibble on soft plants.
Breeding
Oviparous. Egg scatterer. Easy to breed, prolific. Remove adults after spawning.
Care Notes
Hardy. May nibble delicate plants. Keep in a group of 6+ to reduce fin‑nipping.
Compatibility
Good community companion. Avoid fish with long fins (veils).
Quick Summary
| Scientific Name | Moenkhausia sanctaefilomenae |
|---|---|
| Family | Characidae |
| Category | Fish |
| Care Level | Beginner |
| Water Type | Freshwater |
| Max Size | 57.0 cm (22.4") |
| Min Tank | 80 L (21 gal) |
| Min Group | 6+ |
| Diet | Opportunistic omnivore. Accepts flakes, pellets, brine shrimp and daphnia. May nibble on soft plants. |
| Temperament | Peaceful but may nip the fins of slow fish. Very active and gregarious. |
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