Black Neon Tetra
Black Neon Tetra(Hyphessobrycon herbertaxelrodi) is one of the most distinctive and recognizable tetras — two bold parallel horizontal stripes, vivid white above and deep black below, run the full length of the body. The vivid red upper eye completes a striking three-color combination. Named for Herbert Axelrod, the prolific aquarium publisher and ichthyologist.
Feeding & Care Tip:Sera Vipan Tropical FlakesandHikari Micro Pelletsmake excellent daily staples. Supplement 2–3× per week withHikari Frozen or Freeze-Dried Bloodworms,Hikari Frozen or Freeze-Dried Baby Brine Shrimp, orHikari Vibra Bites. Feed small amounts 2–3 times daily.
Native to the Mato Grosso region of Brazil — upper Paraguay and Araguaia drainages. More adaptable to varied water conditions than many small tetras. A feral population has established in the Rio Paraíba do Sul from aquarium releases.
Keep in groups of at least 8. The bold black-and-white stripes create maximum visual impact in numbers. One of the hardier small tetras.
An excellent and distinctive beginner tetra — the bold stripes and red eye make it immediately recognizable, and the hardiness suits a wide range of setups.
Care & Ideal Parameters
| Difficulty | Easy |
| Temperament | Peaceful — schooling community |
| Typical Adult Size | 2.0 inches (5 cm) |
| Min. Group Size | 8 minimum |
| Ideal Temp | 72–82°F (22–28°C) |
| Ideal pH | 6.0–7.5 |
| Ideal GH | 3–15 dGH |
| Ideal KH | 1–8 dKH |
| Staple Food | Sera Vipan Tropical Flakes; Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Bloodworms; Hikari Frozen or Freeze-Dried Baby Brine Shrimp; Hikari Vibra Bites |
| Origin | Upper Paraguay and Araguaia drainages, Mato Grosso, Brazil |
| Notes | Named for Herbert Axelrod. Bold white-above-black parallel stripes + red eye. Feral population in Rio Paraíba do Sul. More adaptable than most small tetras. |
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