Green Neon Tetra
Green Neon Tetra (Paracheirodon simulans) is an attractive aquarium fish from Brazil, Colombia, Venezuela (upper Rio Negro, Rio Orinoco).
Feeding & Care Tip: Sera Micron Nature (juveniles); Sera Vipan Baby (adults) makes an excellent daily staple. Supplement 2–3× per week with Hikari Frozen or Freeze-Dried Baby Brine Shrimp to maintain best condition and color. Feed small amounts 2–3 times daily.
Native to Brazil, Colombia, Venezuela (upper Rio Negro, Rio Orinoco). In the aquarium, a planted setup with the ideal parameters listed below and stable, clean water produces the best coloration and health.
Keep in groups of at least 12. As with most schooling species, larger groups produce more natural behavior and richer color. See Notes for any important care considerations.
A rewarding addition to the planted aquarium, offering attractive coloration and peaceful nature in a well-managed community setup.
Care & Ideal Parameters
| Difficulty | Moderate |
| Temperament | Peaceful — Nano Community |
| Typical Adult Size | 0.9 inches (2.3 cm) |
| Min. Group Size | 12 minimum — groups of 20+ for spectacular effect |
| Ideal Temp | 75–82°F (24–28°C) |
| Ideal pH | 6.0–6.8 |
| Ideal GH | 1–6 dGH |
| Ideal KH | 0–3 dKH |
| Staple Food | Sera Micron Nature (juveniles); Sera Vipan Baby (adults) |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Baby Brine Shrimp |
| Origin | Brazil, Colombia, Venezuela (upper Rio Negro, Rio Orinoco) |
| Notes | Smallest and most intensely colored Paracheirodon. Primarily blue-green iridescence with reduced red. Requires very soft, acidic water — wild-caught only. More demanding than Neon or Cardinal Tetra. Ideal pH 6.0–6.8; lower is better for wild specimens. |
