Red & Blue Colombian Tetra
Red & Blue Colombian Tetra (Hyphessobrycon columbianus) is an attractive aquarium fish from Río Acandí drainage, northwestern Colombia.
Feeding & Care Tip: Hikari Micro Pellets makes an excellent daily staple. Supplement 2–3× per week with Hikari Frozen or Freeze-Dried Bloodworms, Hikari Frozen or Freeze-Dried Baby Brine Shrimp to maintain best condition and color. Feed small amounts 2–3 times daily.
Native to Río Acandí drainage, northwestern Colombia. 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 | 2.5 inches (6.5 cm) |
| Min. Group Size | 8 minimum — mixed sexes for best male coloration |
| Ideal Temp | 73–81°F (23–27°C) |
| Ideal pH | 6.0–7.5 |
| Ideal GH | 3–12 dGH |
| Ideal KH | 2–8 dKH |
| Staple Food | Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Bloodworms, Hikari Frozen or Freeze-Dried Baby Brine Shrimp |
| Origin | Río Acandí drainage, northwestern Colombia |
| Notes | One of the most underrated tetras — vivid blue-silver body with brilliant red fins. Hardy and adaptable. Males show best color in mixed-sex groups. Highly recommended. |
