🐠 Cardinal Tetra – Premium Schooling Pack (6 Fish)

Paracheirodon axelrodi | Brilliant neon coloration for planted aquariums

Transform your aquarium with the vibrant beauty of Cardinal Tetras — one of the most iconic and visually striking freshwater schooling fish in the hobby. Known for their intense electric blue stripe and deep red coloration, these fish create a mesmerizing effect when kept in groups.

Their peaceful nature and synchronized schooling behavior make them ideal for planted aquariums, nature-style aquascapes, and calm community setups.

✨ Why aquarists love Cardinal Tetras

✔️ Brilliant coloration — vivid blue and red contrast under aquarium lighting
✔️ Beautiful schooling behavior — creates natural synchronized movement
✔️ Peaceful temperament — excellent for community aquariums
✔️ Perfect for planted tanks — enhances aquascapes beautifully
✔️ Timeless classic species — admired by beginners and advanced hobbyists alike

📦 What you receive

• 6 × Cardinal Tetra
• Size: Juvenile/Sub-adult
• Carefully selected from stable, healthy batches

🌍 About the species

Paracheirodon axelrodi originates from the soft, slow-moving blackwater regions of South America.

These fish are known for:

• Tight schooling behavior
• Intense reflective coloration
• Calm social interaction
• Mid-water swimming activity
• Strong visual impact in planted aquariums

When maintained in groups, their collective movement creates one of the most elegant displays possible in freshwater aquariums.

🏡 Ideal aquarium setup

Cardinal Tetras thrive best in:

• Planted aquariums
• Soft, stable water conditions
• Dim or natural-style lighting
• Calm community environments
• Groups of 6 or more

Recommended setup:

• 60 liters or larger
• Dense plants and shaded areas
• Stable filtration and mature aquarium conditions

⚠️ Compatibility notes

Cardinal Tetras are peaceful and best kept with calm tankmates.

Not ideal with:

• Large aggressive cichlids
• Predatory fish
• Fin-nipping species
• Extremely rough or unstable setups

Best suited for:

✔️ Planted community aquariums
✔️ Nature aquascapes
✔️ Peaceful tropical setups
✔️ Mixed tetra communities

🚚 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-absorbing thermocol protection
• Fastest safe transport routes available

This minimizes transit stress and improves live arrival success.

🛡️ Live Arrival Guaranteed*

Instant Refund of Full Replacement for DoAs in accordance with our Refund Policy.

👉 You are not taking the risk alone.

💰 Total Delivered Price: ₹1,499/-

No hidden charges.
No surprise shipping fees.
The displayed price is the final delivered price.

🧠 Why is this priced at ₹1,499/-?

Unlike conventional aquarium stores, we do not price livestock only by “per fish” cost.

This pricing includes the entire safe delivery ecosystem, including:

• Fish value and batch quality
• Oxygen packing and insulation materials
• Specialized live-animal packaging
• Express transport logistics
• Mortality risk management

In many cases, shipping and packaging alone exceed ₹600 per order.

👉 This approach ensures every shipment remains ethical, viable, and survival-focused.

🧭 Is this right for you?

✔️ You want a peaceful and visually striking aquarium
✔️ You are building a planted or aquascaped setup
✔️ You appreciate natural schooling behavior
✔️ You prefer elegant community fish over aggressive species

⚠️ Not ideal if:

• You keep aggressive or predatory fish
• Your aquarium is unstable or newly set up
• You prefer solitary centerpiece fish
• Your tank lacks sufficient swimming space

🔬 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 stability and health over bulk-volume movement.

👉 Add vibrant schooling beauty to your aquarium

Experience the mesmerizing movement and brilliant coloration of Cardinal Tetras from Nero Labs.

Cardinal Tetra (Paracheirodon axelrodi)

Description

The Cardinal Tetra (Paracheirodon axelrodi), offered by Nero Labs, is a selectively maintained ornamental characin recognized for its vivid red and electric blue lateral striping, slender body profile, and cohesive schooling behaviour. Native to the blackwater tributaries of the Orinoco and upper Amazon basins, this species exhibits pronounced sensitivity to environmental stability and water chemistry, making consistent husbandry essential for long-term health and colour retention.

Body coloration features a continuous neon-blue stripe extending from the snout to the caudal peduncle, underlaid by a saturated red band running the full length of the body. Colour intensity and contrast are directly influenced by water softness, acidity, temperature stability, and low-stress conditions. Behaviour is peaceful and tightly schooling, with synchronized movement observed in well-established groups.

Individuals supplied are lab-reared and system-acclimated within controlled, closed-system environments, reducing early-life stress and improving adaptability to mature aquaria. This lineage represents domesticated ornamental stock maintained for display reliability and predictable behavioural expression rather than wild ecological performance or conservation deployment.

System & Rearing Notes

Origin: In-house, Nero Labs
Rearing environment: Controlled, closed system
Line status: Selectively maintained ornamental characin lineage
Behaviour: Peaceful, highly cohesive schooling
Feeding behaviour: Omnivorous; readily accepts prepared and supplemental feeds
Swimming profile: Midwater, synchronized schooling
Colour development: Condition-dependent; strongest under soft, acidic, low-stress environments

Minor variation in red saturation, blue luminosity, and body translucency may occur between individuals and reflects normal biological diversity within maintained ornamental populations.

Availability & Use

Availability of Cardinal Tetras is cycle-dependent and aligned with biological readiness and population stability rather than commercial inventory targets. This species is recommended for intermediate to advanced aquarists capable of maintaining soft, stable water parameters and consistent system conditions.

Best suited for ornamental display aquaria, blackwater-style systems, planted tanks, and carefully structured community environments emphasizing water quality and group cohesion.

Important Note

Cardinal Tetras are sensitive to water parameter fluctuations and are not recommended for newly established or unstable aquaria. Sudden changes in temperature, pH, or conductivity may result in stress, colour loss, or increased mortality.

Ethical & Operational Context

Distribution of Cardinal Tetras through Nero Labs prioritizes organism welfare, closed-system integrity, and responsible management of sensitive blackwater species. Proceeds support ongoing refinement of blackwater husbandry protocols, stress-response research, and applied ornamental aquaculture initiatives.