Serpae Tetra Longfin
Serpae Tetra Longfin (Hyphessobrycon eques) is an attractive aquarium fish from Captive-bred from Amazon basin stock.
Feeding & Care Tip: Hikari Micro Pellets makes an excellent daily staple. Supplement 2–3× per week with Hikari Frozen or Freeze-Dried Tubifex Worms, Hikari Frozen or Freeze-Dried Bloodworms to maintain best condition and color. Feed small amounts 2–3 times daily.
Native to Captive-bred from Amazon basin stock. 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 to nippy — keep with non-nippy species only |
| Typical Adult Size | 1.5 inches (3.8 cm) |
| Min. Group Size | 8 minimum — do not mix with standard Serpae Tetras |
| Ideal Temp | 72–79°F (22–26°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 Tubifex Worms, Hikari Frozen or Freeze-Dried Bloodworms |
| Origin | Captive-bred from Amazon basin stock |
| Notes | Longfin form of Serpae Tetra. Trailing fins require clean water and gentle flow. Do NOT mix with standard Serpae — standard fish will nip longfin fins. |
