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