🐠 Black Neon Tetra

Hyphessobrycon herbertaxelrodi | Striking schooling tetra with luminous white-gold stripes and deep contrasting coloration

Add a sleek, sophisticated presence to your aquarium with the Black Neon Tetra. Hyphessobrycon herbertaxelrodi is admired for its dark body and brilliant horizontal stripes that create a striking neon-like effect, particularly against planted aquascapes and darker backgrounds.

Peaceful, active, and highly social, the Black Neon Tetra is an excellent choice for community aquariums and planted freshwater displays.

✨ Why aquarists love Black Neon Tetras

✔️ Distinctive luminous stripes — brilliant white and golden highlights contrast beautifully against the dark body
✔️ Peaceful schooling species — creates an elegant synchronized display when maintained in groups
✔️ Excellent planted-tank fish — stands out beautifully among green aquatic plants
✔️ Hardy and adaptable — suitable for established community aquariums
✔️ Classic South American tetra — a timeless favorite among freshwater enthusiasts

🌍 About the species

Hyphessobrycon herbertaxelrodi is native to the Paraguay River basin of Brazil, particularly the clear and slow-moving waters around the Pantanal region.

These fish are known for:

• Dark charcoal to black body coloration
• Brilliant white-gold lateral stripe
• Subtle metallic blue-green reflections
• Active schooling behavior
• Peaceful community temperament

Their contrasting coloration becomes especially impressive under subdued aquarium lighting and against darker substrates.

🏡 Ideal aquarium setup

Black Neon Tetras thrive best in:

• Planted aquariums
• Community tanks
• Nature-style aquascapes
• South American biotope aquariums
• Well-established freshwater systems

Recommended setup:

• 60 liters or larger
• Dense aquatic planting with open swimming areas
• Dark substrate or background to enhance contrast
• Driftwood and natural décor
• Stable water parameters
• Efficient biological filtration

⚠️ Compatibility notes

Black Neon Tetras are peaceful schooling fish and work well with other calm community species of similar size.

Not ideal with:

• Large predatory fish
• Aggressive cichlids
• Persistent fin-nipping species
• Highly territorial tankmates

Best suited for:

✔️ Community aquariums
✔️ Planted tanks
✔️ South American biotope setups
✔️ Beginner and experienced aquarists alike

🚚 Professionally packed for live arrival

Every shipment is treated as a live biological transport, not a standard parcel.

Your fish are packed using:

• Oxygen-filled fish bags
• Temperature-insulated packaging
• Shock-resistant thermocol protection
• Fastest safe transport routes available

This minimizes transit stress and improves live arrival success.

🛡️ Live Arrival Guaranteed*

Instant Refund for DoAs in accordance with our Refund Policy.

👉 You are not taking the risk alone.

🧭 Is this right for you?

✔️ You want an elegant and peaceful schooling fish
✔️ You maintain a planted or community aquarium
✔️ You appreciate strong contrast and natural coloration
✔️ You want a hardy South American tetra with excellent display value

⚠️ Not ideal if:

• You keep large predatory fish
• Your aquarium contains aggressive or highly territorial species
• You prefer solitary centerpiece fish
• You maintain a very small or overcrowded aquarium

🔬 Nero Labs Standard

These fish are maintained with:

• Controlled batch monitoring
• Observation-based selection
• Stress-aware handling
• Survival-focused transport preparation

We prioritize long-term health, structural quality, coloration, and behavioral stability over bulk-volume movement.

👉 Add striking contrast and movement to your aquarium

Experience the elegant stripes, peaceful nature, and classic beauty of the Black Neon Tetra (Hyphessobrycon herbertaxelrodi) from Nero Labs.

Black Neon Tetra (Hyphessobrycon herbertaxelrodi)

Description

The Black Neon Tetra (Hyphessobrycon herbertaxelrodi), offered by Nero Labs, is a selectively maintained ornamental characin recognized for its striking silver-white and black lateral striping, subtle greenish iridescence, and peaceful schooling behaviour. Native to the Paraguay River basin of South America, this species naturally inhabits slow-moving, tannin-rich waters associated with vegetation, submerged wood, and leaf litter.

The body typically presents as translucent silver to pale olive with a distinctive dark horizontal stripe running along the flank. A brilliant white to silvery-green stripe runs immediately above the dark band, producing the characteristic high-contrast appearance. Under subdued lighting, the reflective stripe can take on a soft greenish or bluish glow, particularly when specimens are well conditioned and maintained in stable groups.

Behaviour is peaceful, active, and strongly social. Individuals display coordinated midwater movement and become more confident when maintained in an appropriately sized shoal. Their calm temperament makes them well suited to peaceful community aquaria, while their contrasting coloration provides an attractive visual element in planted and blackwater-inspired systems.

Specimens supplied are lab-reared and system-acclimated within controlled, closed-system environments, minimizing early-life stress and supporting reliable long-term adaptation to aquarium conditions. This lineage represents domesticated ornamental stock maintained for colour consistency, behavioural stability, and aquarium suitability rather than wild ecological function or conservation deployment.

System & Rearing Notes

Origin: In-house, Nero Labs
Rearing environment: Controlled, closed system
Line status: Selectively maintained ornamental characin
Behaviour: Peaceful, active, schooling
Swimming profile: Midwater, synchronized group movement
Feeding behaviour: Omnivorous; accepts prepared, frozen, and live feeds
Habitat preference: Planted aquaria, leaf litter, driftwood, subdued lighting, and gentle water movement
Colour development: Progressive; lateral contrast and iridescence become more pronounced with maturity and stable conditions
Morphological traits: Distinctive dark lateral stripe paired with a bright reflective stripe

Minor variation in stripe intensity, body tone, and iridescent coloration may occur between individuals and reflects normal biological diversity within maintained ornamental populations.

Availability & Use

Availability of Black Neon Tetras is cycle-dependent and determined by biological readiness rather than inventory-driven targets. This species is suitable for beginner to advanced aquarists seeking a peaceful, hardy, and visually distinctive schooling fish.

Best suited for planted community aquaria, blackwater-inspired freshwater systems, and South American-themed displays emphasizing natural schooling behaviour and contrasting lateral coloration.

Important Note

Black Neon Tetras should be maintained in groups to encourage natural schooling behaviour and reduce stress. Subdued lighting, stable water quality, and adequate swimming space help enhance their characteristic reflective markings.

Ethical & Operational Context

Distribution of Black Neon Tetras through Nero Labs prioritizes organism welfare, lineage integrity, and responsible propagation of ornamental schooling species. Proceeds support refinement of characin husbandry protocols, behavioural observation programs, and applied ornamental aquaculture initiatives.