Glowlight tetra
Hemigrammus erythrozonus
easypeacefulmiddle swimmerCharacidae
Photo: h080 · CC BY-SA 2.0
- Adult size
- 2 cm1 in
- Group
- 6+
- Tank length
- 60 cm24 in
- Lifespan
- 2–4 yrs
- Temperature
- 24–28 °C75–82 °F
- pH
- 5.5–7.5
- Hardness
- 1–15 dGH
- Diet
- omnivore
Quiet tank mates help the group feed confidently.Quiet tank mates help the group feed confidently.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- African clawed frog
African clawed frog may eat Glowlight tetraAfrican clawed frog may eat Glowlight tetra
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Caudopunctatus
No shared pH rangeNo shared pH range
- Multies
No shared pH rangeNo shared pH range
- Pindani
No shared pH rangeNo shared pH range
- Rusty cichlid
No shared pH rangeNo shared pH range
- Saulosi cichlid
No shared pH rangeNo shared pH range
- Similis shell dweller
No shared pH rangeNo shared pH range
- Abei puffer
Abei puffer may eat Glowlight tetraAbei puffer may eat Glowlight tetra
- Afra cichlid
No shared pH rangeNo shared pH range
- African butterflyfish
African butterflyfish may eat Glowlight tetraAfrican butterflyfish may eat Glowlight tetra
Sources
| temperature | 24–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
|---|---|---|
| ph | 5.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
| gh | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| origin | South America | curated-v0 (needs expert review) · low |
| notes | Quiet tank mates help the group feed confidently. | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | easy | curated-v0 (needs expert review) · medium |
| color palette | #BBC7C9, #C43D39 | curated-v0 (needs expert review) · low |
| activity | moderate | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | peaceful | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | false | curated-v0 (needs expert review) · medium |
| schooling | true | curated-v0 (needs expert review) · medium |
| schooling min | 6 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 2–4 | curated-v0 (needs expert review) · low |
| growth to adult months | 6 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| min tank length | 60 | curated-v0 (needs expert review) · medium |
| body shape | tetra | curated-v0 (needs expert review) · medium |