Glowlight Tetra
Hemigrammus erythrozonus
Glowlight Tetra is a peaceful middle swimmer. Keep in a school of 10+.
Save this fish or add it directly to one of your aquariums.
Quick facts
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Middle swimmer
- Temperature
- 23–28 °C
- pH
- 5.5–7.5
- GH
- 3–15 dGH
- Diet
- Omnivore
- Lifespan
- up to 5 years
- Group behavior
- Keep in a school of 10+
Care requirements
Care level: Beginner – Intermediate.
Lifespan: up to 5 years.
Aquarium size and space needs
Minimum aquarium size: 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 23–28 °C, pH 5.5–7.5, GH 3–15 dGH.
Temperament and compatibility
Glowlight Tetra is peaceful and suits calm community fish.
Keep in a school of 10+.
Swimming zone and behavior
This fish uses the middle part of the aquarium, so leave enough open swimming space for movement and feeding. Keep in a school of 10+.
Feeding
As an omnivore, Glowlight Tetra should receive a varied diet rather than one repeated food type.
Natural habitat and origin
Origin: Guyana.
Before adding this fish
- Plan for an aquarium of 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length.
- Make room for its social group.
- Avoid aggressive or highly competitive fish.
- Keep in a school of 10+.
- Offer a varied diet that matches this species.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Glowlight Tetra get?
Glowlight Tetra reaches ≤ 5 cm (≤ 2 in).
What aquarium size does Glowlight Tetra need?
Use an aquarium of at least 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length.
Is Glowlight Tetra peaceful?
Yes. Glowlight Tetra is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.
What temperature is suitable for Glowlight Tetra?
Keep it between 23 to 28 °C.
Should Glowlight Tetra be kept alone or in a group?
Glowlight Tetra: Keep in a school of 10+.