CheckMyFishTankGlowlight Tetra care
Hemigrammus erythrozonus · Freshwater · Beginner level care
A peaceful schooling tetra with a glowing orange stripe.
Feeding
Twice a day. A small pinch they finish in about 2 minutes. Small flakes or micro pellets, frozen daphnia.
Good tank mates
Fish that pass every check with Glowlight Tetra in a 40 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.
Do not mix with
- Silver Dollar: Silver Dollar grows big enough to eat Glowlight Tetra.
- Tinfoil Barb: Tinfoil Barb grows big enough to eat Glowlight Tetra.
- White Cloud Mountain Minnow: White Cloud Mountain Minnow and Glowlight Tetra need different water temperatures.
- Angelfish: Angelfish grows big enough to eat Glowlight Tetra.
- Convict Cichlid: Convict Cichlid grows big enough to eat Glowlight Tetra.
- Oscar: Oscar grows big enough to eat Glowlight Tetra.
- Jack Dempsey: Jack Dempsey grows big enough to eat Glowlight Tetra.
- Firemouth Cichlid: Firemouth Cichlid grows big enough to eat Glowlight Tetra.
Questions
What size tank does a Glowlight Tetra need?
At least 20 gallons for a group of 6. Adults grow to about 1.5 inches, so plan for the adult size, not the size at the store.
What temperature does a Glowlight Tetra like?
75 to 82 degrees Fahrenheit, with a pH of about 5.5 to 7.5. A steady temperature matters more than hitting one exact number.
How many Glowlight Tetra should I keep together?
Keep 6 or more. They feel safe in a group and show better color and behavior.
What do Glowlight Tetra eat?
Small flakes or micro pellets, frozen daphnia. Feed twice a day: a small pinch they finish in about 2 minutes.
Sources
Checked against these sources on 2026-11-10. When sources disagree we use the safer number.