Glowlight Tetra Care Guide
Hemigrammus erythrozonus · Freshwater Fish
What Glowlight Tetra look like
The Glowlight Tetra (Hemigrammus erythrozonus) exhibits a laterally compressed, fusiform body shape, reaching a maximum adult size of approximately 2 inches (5 cm). Its most distinctive feature is the unbroken, glowing neon orange to peach horizontal stripe that extends from the eye to the caudal fin, contrasting sharply with its translucent body. This species lacks sexual dimorphism, making it difficult to distinguish between males and females externally. Defensive adaptations include its small size and schooling behavior, which reduces individual predation risk. The Glowlight Tetra possesses a well-developed lateral line system, aiding in sensory perception within its aquatic environment, and features a small adipose fin, typical of the Characidae family.
Behavior & temperament
Glowlight Tetras are typically found in small to medium-sized schools, exhibiting a social hierarchy where individuals establish a loose pecking order. They inhabit the mid to upper levels of the water column, often darting among vegetation. During breeding, they are egg scatterers, releasing adhesive eggs among plants, which provides some protection from predation. Their temperament is generally peaceful, making them suitable for community tanks, though they may exhibit slight territorial behavior during spawning.
Diet & feeding
In the wild, Glowlight Tetras are omnivorous, feeding on small invertebrates, plant matter, and detritus. In captivity, they thrive on a varied diet that includes high-quality flake food, micro-pellets, and occasional live or frozen foods such as brine shrimp and daphnia to ensure optimal health.
Behind the name
Hemigrammus (half line); erythrozonus (red stripe).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Glowlight Tetra?
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