Description
Glowlight Tetra (Hemigrammus erythrozonus)
📌 Basic Info
Scientific Name: Hemigrammus erythrozonus
Common Name: Glowlight Tetra
Size: ~1.5 inches (4 cm)
Lifespan: 3 – 5 years
Tank Zone: Middle swimmers
🌊 Water Parameters
TDS: 100 – 200 ppm
pH: 5.8 – 7.5
Temperature: 24°C – 28°C (75°F – 82°F)
Water Type: Soft, slightly acidic to neutral
🐟 Characteristics
Transparent body with a glowing neon-orange line from eye to tail
Peaceful schooling fish, very active and hardy
Excellent for planted aquariums and beginner-friendly
🍽️ Food
Type: Omnivorous
Diet: Flakes, micro-pellets, live/frozen foods (bloodworms, daphnia, brine shrimp)
Feeding Frequency: 1–2 times daily
🛠️ Maintenance
Weekly water change: 20–30%
Gentle filtration with plants for cover
Keep stable, clean water
👥 Social Behavior
Minimum Group Size: 6 (better in 10+)
Tank Mates: Peaceful fish – rasboras, guppies, mollies, corydoras
Avoid: Aggressive or fin-nipping fish
✅ Do’s
Keep in shoals for glowing effect
Provide plants + open swimming areas
Use darker substrate to make colors pop
❌ Don’ts
Don’t keep them in small numbers → they stress easily
Don’t mix with aggressive species
Don’t neglect regular water changes
⭐ Quick Tips
A glowing, hardy, and peaceful tetra. Perfect for community tanks and aquascapes.
