Description
Glow Green Widow Tetra (Hemigrammus sp. GloFish)
📌 Basic Info
Scientific Name: Hemigrammus sp. (Glow Green variant)
Family: Characidae
Origin: South America (genetically modified for fluorescent color)
Size: 1.5 – 2 inches (4 – 5 cm)
Lifespan: 3 – 5 years
Tank Zone: Mid dwellers
🌊 Water Parameters
TDS: 100 – 200 ppm
pH: 6.5 – 7.5
Temperature: 22 – 28°C (72 – 82°F)
Hardness: 5 – 12 dGH
🐟 Characteristics
Small, slim-bodied tetra with glowing green highlights.
Peaceful, active, and hardy – ideal for beginners.
Shoaling fish; prefers groups of 6 or more.
🍽️ Food
Type: Omnivorous
Diet: Flakes, micro-pellets, live/frozen foods (daphnia, brine shrimp, bloodworms).
Feeding: 2 small meals daily; avoid overfeeding.
🛠️ Maintenance
Tank Size: Minimum 10 gallons for a small school.
Filtration: Moderate flow, well-oxygenated water.
Decor: Plants, driftwood, and open swimming space.
Water Change: 25% weekly.
👥 Social Behavior
Minimum Group Size: 6 or more (shoaling fish).
Tank Mates: Other small peaceful fish – Guppies, Rasboras, Corydoras, small Barbs.
Avoid: Large or aggressive species.
✅ Do’s
Keep in schools to reduce stress.
Provide hiding spots with plants or décor.
Maintain clean, well-oxygenated water.
❌ Don’ts
Don’t keep alone – they become stressed.
Don’t mix with aggressive fish.
Avoid overcrowding the tank.
⭐ Quick Tips
Vibrant glow makes them a colorful addition to community tanks.
Active, peaceful swimmers; ideal for beginners.
Colors shine best under LED lighting.









