Flag tetra
Hyphessobrycon heterorhabdus
- Adult size
- 4 cm1 in
- Group
- 8+
- Tank length
- 15 cm6 in
- Lifespan
- 3–5 yrs
- Temperature
- 24–27 °C75–81 °F
- pH
- 5.5–7.5
- Hardness
- 1–15 dGH
- Diet
- omnivore
Shows its tricolour stripe best in soft, slightly acidic, planted tanks; somewhat timid without a sizeable shoal.Shows its tricolour stripe best in soft, slightly acidic, planted tanks; somewhat timid without a sizeable shoal.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- 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
- Afra cichlid
No shared pH rangeNo shared pH range
- African knifefish
African knifefish may eat Flag tetraAfrican knifefish may eat Flag tetra
- African pike
African pike may eat Flag tetraAfrican pike may eat Flag tetra
- Alligator gar
Alligator gar may eat Flag tetraAlligator gar may eat Flag tetra
Sources
| temperature | 24–27 | 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 · medium |
| origin | Lower Amazon tributaries, Brazil | curated-v0 (needs expert review) · low |
| notes | Shows its tricolour stripe best in soft, slightly acidic, planted tanks; somewha | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | moderate | curated-v0 (needs expert review) · medium |
| color palette | #C8B080, #C83A2A, #2B2B2B | 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 | 8 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 3–5 | curated-v0 (needs expert review) · low |
| growth to adult months | 6 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.011,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| body shape | tetra | curated-v0 (needs expert review) · medium |