Black Neon Tetra
Hyphessobrycon herbertaxelrodi
Black Neon Tetra (Hyphessobrycon herbertaxelrodi) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 15.9 US gal min; aim for 72–82°F and pH 5.5–7.5. The Black Neon Tetra is an engaging choice for both beginners and experienced aquarists, thriving in well-planted environments where their shimmering bodies can be fully appreciated.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Mostly South America
- South America
Regional colours match the stocking calculator’s origin map.
Black Neon Tetra Tank Setup
Designing a habitat that balances open swimming space with ample cover is key. Use fine-grained substrate to mimic their natural habitat, incorporate plants to create a sense of security, and ensure varied lighting to enhance their vibrant colors. Flow should be moderate; too strong can disrupt their swimming patterns, while too weak may lead to stagnation.
What Do Black Neon Tetras Eat?
Being omnivorous, they have a preference for small, high-quality microfoods to maintain their health and coloration. Feeding should be frequent yet light to prevent competition and ensure all individuals get adequate nutrition.
Black Neon Tetra Tank Mates
Ideal tank mates include similarly sized, peaceful species such as other tetras or small rasboras, as their calm demeanor aligns well. Caution is warranted with larger or more aggressive fish that could intimidate or outcompete them. Intraspecies, they thrive in schools, so keeping groups larger than six is crucial for their wellbeing and social structure.
Are Black Neon Tetras Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of group size, leading to stress and health issues. neglecting their need for a structured environment can result in a lack of confidence and social interaction.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




