Glowlight Tetra

Hemigrammus erythrozonus

A glassy silver tetra crossed by a single glowing orange-red line.

Water

Freshwater

Temperature

74–82°F

pH

5.5–7.5

Hardness

2–12 dGH

Max size

1.5 in

Min tank

15 gal

Temperament

Peaceful

Social

Schooling (6+)

Swim level

Middle

Diet

Omnivore

Care level

Beginner

Lifespan

3-5 years

Breeding

Egg-scatterer

Suitability

Common

Origin

Essequibo basin, Guyana

Peaceful and easy, glowlights pair well with neons and rasboras. A dark background makes the stripe pop.