Tucano Tetra
Tucano Tetra (Tucanoichthys tucano) is an attractive aquarium fish from Upper Rio Negro, Brazil.
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 Upper Rio Negro, Brazil. 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 10. 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 | Advanced |
| Temperament | Peaceful — Nano Specialist |
| Typical Adult Size | 0.8 inches (2.0 cm) |
| Min. Group Size | 10 minimum |
| Ideal Temp | 75–84°F (24–29°C) |
| Ideal pH | 6.0–6.8 |
| Ideal GH | 0–4 dGH |
| Ideal KH | 0–2 dKH |
| Staple Food | Sera Micron Nature (juveniles); Sera Vipan Baby (adults) |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Baby Brine Shrimp |
| Origin | Upper Rio Negro, Brazil |
| Notes | Extremely rare — one of the smallest tetras known. Requires very soft, acidic blackwater — ideal pH 6.0–6.8; lower is better. Advanced species for specialists only. Named for Tucano indigenous people. |