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    Cardinal Tetra - Nano Fish

    $20.00 USD
     per 
    Shipping calculated at checkout.
    Size: 5 Tails
    Spend $200.00 to FREE SHIPPING

    Product description

    Live Cardinal Tetra (Paracheirodon axelrodi)

    One of the most stunning nano fish in the hobby, the Cardinal Tetra dazzles with a brilliant electric-blue stripe and a bold red stripe that runs the full length of its body — unlike the Neon Tetra, whose red only covers the lower half. A must-have for any planted aquarium or Amazonian biotope.

    Why Aquarists Love Cardinal Tetras

    • Peaceful schooling fish — best kept in groups of 6 or more
    • Stunning coloration that pops in planted, low-light tanks
    • Compatible with shrimp, corydoras, rasboras, and other small community fish
    • Hardy once acclimated; great for intermediate fishkeepers

    Care at a Glance

    • Adult Size: ~2 inches (5 cm)
    • Lifespan: 4–5 years with proper care
    • Temperature: 73–81°F (23–27°C)
    • pH: 4.5–7.0 (prefers soft, slightly acidic water)
    • Minimum Tank Size: 10 gallons for a small school
    • Diet: Micro pellets, crushed flakes, baby brine shrimp, daphnia
    • Tank Setup: Heavily planted with driftwood, dark substrate, and gentle filtration

    Shipping & Live Arrival Guarantee

    All Cardinal Tetras ship fast across the US with heat or cold packs as needed. Every order is backed by our live arrival guarantee — your fish arrive healthy or we make it right.

    Shipping & Refund Policies

    🚚 Shipping

    • USPS Priority and Fedex Overnight: Live fish are shipped on Monday–Tuesday only.
    • Send us email to request for other days!

    💰 Refund & DOA Policy

    • DOA (Dead on Arrival):
      We offer a full refund (fish cost only) or replacement.

      To qualify, please send:
    • 2 clear photos of the fish/shrimp inside the sealed bag, and 1 clear photo outside the bag within 2 hours of delivery
    • Carrier Delays:
      If total transit time exceeds 3 days, the DOA guarantee is void.
      More details: https://justfishything.com/policies/refund-policy

    🐠 Acclimation Guide

    • Temperature Match:
      Make sure the bag water is close to your tank temperature.
    • Float the Bag:
      Place the sealed bag in your tank for 15–20 minutes.
    • Water Mixing:
      Gradually add small amounts of tank water into the bag over 15–20 minutes.
    • Release:
      Gently net the fish into the tank.
      ❗ Do not pour bag water into your tank to avoid contamination.

    📸 Photos Disclaimer

    We do our best to capture each fish’s true appearance.
    Photos are not edited, but colors may vary slightly in different lighting.

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    Cardinal Tetra - Nano Fish

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