Kerri Tetra
Kerri Tetra (Inpaichthys kerri) is an attractive aquarium fish from Upper Rio Aripuanã, Mato Grosso, Brazil.
Feeding & Care Tip: Hikari Micro Pellets makes an excellent daily staple. Supplement 2–3× per week with Hikari Frozen or Freeze-Dried Baby Brine Shrimp, Hikari Frozen or Freeze-Dried Tubifex Worms to maintain best condition and color. Feed small amounts 2–3 times daily.
Native to Upper Rio Aripuanã, Mato Grosso, 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 8. 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 | Easy |
| Temperament | Peaceful — Community |
| Typical Adult Size | 1.5 inches (3.8 cm) |
| Min. Group Size | 8 minimum — mixed sexes for best male coloration |
| Ideal Temp | 73–81°F (23–27°C) |
| Ideal pH | 6.0–7.0 |
| Ideal GH | 1–10 dGH |
| Ideal KH | 1–5 dKH |
| Staple Food | Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Baby Brine Shrimp, Hikari Frozen or Freeze-Dried Tubifex Worms |
| Origin | Upper Rio Aripuanã, Mato Grosso, Brazil |
| Notes | Males are violet-blue with golden dorsal highlight. Females are warm orange. Soft acidic water essential for best male coloration. Underrated — genuinely beautiful. |