Glowlight Tetra (Hemigrammus erythrozonus)

The Glowlight Tetra Sri Lanka aquarium hobbyists love is a peaceful and colorful freshwater fish known for its brilliant orange-red stripe that extends from its snout to the base of its tail. This attractive nano fish is highly sought after for planted aquariums and community tanks due to its active schooling behavior, ease of care, and stunning appearance. A school of Glowlight Tetras can create a beautiful display of movement and color, especially against dark substrates and lush aquatic plants.

Why Choose Glowlight Tetra Sri Lanka for Your Aquarium?

The Glowlight Tetra Sri Lanka market continues to grow as more aquarists discover the beauty and simplicity of keeping this species. Their peaceful nature allows them to coexist with many other community fish, making them ideal for both beginners and experienced fish keepers.

What We Like About This Fish

• Brilliant glowing orange-red stripe
• Peaceful and community-friendly
• Active schooling behavior
• Excellent choice for planted aquariums
• Hardy and beginner-friendly
• Beautiful contrast against dark substrates

Recommended Tank Parameters for Glowlight Tetra Sri Lanka

• Tank Size: Minimum 10 gallons (38 liters)
• Temperature: 22–28°C (72–82°F)
• pH Level: 5.5–7.5
• KH: 3–10 dKH
• Water Type: Soft, clean, and stable water conditions

A planted aquarium with floating plants and subdued lighting will help Glowlight Tetras feel secure and display their best coloration.

Care Guidelines for Glowlight Tetra Sri Lanka

• Diet: Omnivorous; accepts high-quality flakes, micro pellets, frozen foods, and live foods
• Social Behavior: Peaceful schooling fish; keep in groups of 6 or more
• Origin: Tank-bred; indigenous to South America
• Average Adult Size: 3–4 cm (1.2–1.6 inches)
• Average Purchase Size: 2–2.5 cm (0.8–1 inch)
• Shrimp Safe: Generally safe with larger shrimp, although very small shrimplets may be preyed upon

The Glowlight Tetra Sri Lanka hobbyists keep thrives in well-maintained aquariums with regular water changes and a varied diet. Feeding a mix of quality dry foods, frozen foods, and live foods will help maintain vibrant coloration, strong immune systems, and active schooling behavior. Keeping them in larger groups not only reduces stress but also enhances their natural display, making them a standout feature in any community aquarium.