Overview
The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Characidae |
| Genus | Hemigrammus |
| Species | Hemigrammus erythrozonus |
| Water type | freshwater |
| Native range | Amazonas|Neotropical|Parque Nacional Natural Serranía de Chiribiquete (PNNSCh) |
Natural Habitat
Native to the clear waters of the Rio Xingu in Brazil, Hemigrammus erythrozonus prefers fast-flowing streams and tributaries.
Appearance
With its slender body and striking coloration, the Glowlight Tetra is a popular choice for its beauty and compatibility with other small species.
Behavior
Glowlight Tetras are active swimmers and can be kept in groups of 6 or more. They are generally peaceful but may show some aggression towards other small fish.
| Trait | Value |
|---|---|
| Temperament | active community fish |
| Schooling | No |
| Activity level | moderate |
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) | 5-20 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 | 30L (8 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- They can change color based on the water quality and light conditions.
- Male tetras exhibit a brighter coloration than females.
- These fish are known to have a unique way of chasing after their own reflection.
📋 Full Care Guide
Ready to set up a tank for your Glowlight Tetra? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Glowlight Tetra Care Guide →Related Species
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.