Description
Glow Red Widow Tetra (Hemigrammus sp. GloFish)
📌 Basic Info
Scientific Name: Hemigrammus sp. (Glow Red variant)
Family: Characidae
Origin: South America, selectively bred for neon-red fluorescence
Size: 1.5 – 2 inches (4 – 5 cm)
Lifespan: 3 – 5 years
Tank Zone: Mid-water
🌊 Water Parameters
TDS: 100 – 200 ppm
pH: 6.5 – 7.5
Temperature: 22 – 28°C (72 – 82°F)
Hardness: 5 – 12 dGH
🐟 Characteristics
Neon red glowing body with a translucent base; color intensifies in well-lit aquariums.
Peaceful, schooling species that enjoys active swimming.
Highly visible in community tanks due to bright red hue.
🍽️ Food
Omnivorous: high-quality flake food, micro-pellets, and live/frozen protein-rich food.
Feed small amounts 2–3 times daily to maintain vibrant color.
🛠️ Tank Setup & Maintenance
Tank Size: Minimum 10 gallons for a small school; 20 gallons ideal for larger groups.
Filtration: Gentle to moderate; strong currents may stress fins.
Decor: Open swimming areas complemented by fine-leaved plants; floating plants enhance comfort.
Water Changes: 25% weekly for optimal health.
👥 Social Behavior
Best kept in groups of 6 or more for schooling behavior and reduced aggression.
Peaceful tank mates only: guppies, small rasboras, corydoras, small tetras.
✅ Do’s
Maintain clean water for vivid coloration.
Keep in schools for stress reduction and natural behavior.
Provide moderate lighting to highlight red fluorescence.
❌ Don’ts
Avoid solitary housing or aggressive companions.
Don’t overfeed; leftover food can spoil water.
Avoid overcrowding tanks less than 10 gallons.
⭐ Quick Tips
Red glow makes them ideal for LED-lit aquariums.
Beginner-friendly and visually striking in mid-water schools.
Active, peaceful swimmers that thrive in community tanks.
