Green neon tetra
Paracheirodon simulans
- Tank length
- 13.200000000000001 cm5.196850393700788 in
- Group
- 10+
- Temperature
- 20–28 °C68–82 °F
- pH
- 5.5–7.5
- Adult size
- 2.2 cm0.9 in
- Lifespan
- 2–4 yrs
A tiny blackwater tetra that needs a large group in soft, acidic, stable water; easily outcompeted by bigger fish.A tiny blackwater tetra that needs a large group in soft, acidic, stable water; easily outcompeted by bigger fish.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- African clawed frog
African clawed frog may eat Green neon tetraAfrican clawed frog may eat Green neon 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 Green neon tetraAbei puffer may eat Green neon tetra
- Afra cichlid
No shared pH rangeNo shared pH range
- African butterflyfish
African butterflyfish may eat Green neon tetraAfrican butterflyfish may eat Green neon tetra
Data used by the planner
| Temperature | 20–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 5.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Upper Rio Negro and Orinoco basins | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | advanced | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | peaceful | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 10 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 2–4 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 6 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |