Overview
The Glowlight Tetra (Hemigrammus erythrozonus) is a beginner freshwater species known for its translucent, orange-red stripe coloration. Glowing orange-red stripe. Mid.
Origin & Appearance
Origin: Guyana.
Colors: Translucent, Orange-Red stripe.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 4.0 x 0.7 x 1.2.
Sexual Dimorphism: Minimal; females plumper.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 75–82°F |
| pH Range | 5.5–7 |
| Water Hardness (GH) | 2-10 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Gentle mid-water schooler; subtle gliding with barely visible fin strokes; calm drift in planted tanks
Speed: 42/100Aggression: 1/10diurnalSchooling (6+)
Breeding
Moderate; egg scatterer
Common Diseases
💊 Ich
Expert Notes
Glowing orange-red stripe