Description
Glow Purple Widow Tetra (Hemigrammus sp. GloFish)
📌 Basic Info
Scientific Name: Hemigrammus sp. (Glow Purple variant)
Family: Characidae
Origin: South America, genetically modified for fluorescent purple color
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
Slim, streamlined body with vibrant neon-purple stripes along a semi-translucent base.
Peaceful, energetic, and ideal for community aquariums.
Very active mid-water swimmers; color intensifies with proper lighting.
Shoaling fish: shows natural schooling behavior when kept in groups of 6 or more.
🍽️ Food
Type: Omnivorous
Diet: High-quality flake food, micro-pellets, and live/frozen foods like daphnia, brine shrimp, and bloodworms.
Feeding Schedule: 2–3 small meals daily; avoid overfeeding to prevent water quality issues.
🛠️ Tank Setup & Maintenance
Tank Size: Minimum 10 gallons for a small school; larger tanks preferred for more fish.
Filtration: Gentle to moderate flow; strong currents can stress the fish.
Decor: Fine-leaved plants, driftwood, and open swimming areas. Floating plants enhance shade and simulate natural habitat.
Water Changes: 25% weekly to maintain cleanliness and health.
👥 Social Behavior
Minimum of 6 fish per group recommended for natural schooling and reduced stress.
Peaceful tank mates only: small guppies, rasboras, corydoras, and other small tetras.
Avoid aggressive or large predatory species.
✅ Do’s
Keep in schools for natural behavior and reduced stress.
Provide hiding spots and moderate lighting to enhance neon-purple glow.
Maintain clean, well-oxygenated water to support health and color.
❌ Don’ts
Don’t keep alone – isolation leads to stress and color dulling.
Avoid mixing with aggressive or territorial species.
Don’t overcrowd the tank; maintain proper stocking levels.
⭐ Quick Tips
Neon-purple glow makes them one of the most striking additions to community tanks.
Active, peaceful, and beginner-friendly.
Best visual effect under LED or actinic aquarium lighting.
Thrives in well-maintained, mid-water zones with other peaceful schooling fish.
