Bucktooth Tetra
Bucktooth Tetra (Exodon paradoxus) is an attractive aquarium fish from Amazon and Tocantins basins, Brazil.
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 Brine Shrimp to maintain best condition and color. Feed small amounts 2–3 times daily.
Native to Amazon and Tocantins basins, 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 (specialist) |
| Temperament | AGGRESSIVE — Species Only |
| Typical Adult Size | 3.0 inches (7.5 cm) |
| Min. Group Size | 8 minimum — SPECIES ONLY TANK |
| Ideal Temp | 73–82°F (23–28°C) |
| Ideal pH | 6.0–7.5 |
| Ideal GH | 3–12 dGH |
| Ideal KH | 1–8 dKH |
| Staple Food | Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Bloodworms, Hikari Frozen or Freeze-Dried Brine Shrimp |
| Origin | Amazon and Tocantins basins, Brazil |
| Notes | WARNING: Scale-eating specialist — will attack and strip scales from all tankmates. CANNOT be kept in community aquariums. Keep in species-only tank in groups of 8+. |