Threadfin Dwarf Rainbowfish$16.99
Threadfin Dwarf Rainbowfish – live freshwater aquarium fish
Freshwater FishIn stock
Care levelMedium
CompatibilityPeaceful
ARIUM FAUNA & FLORA+169 points

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Freshwater Fish

Threadfin Dwarf Rainbowfish

$16.99 Earn 169 points
Care: MediumPeaceful
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  • Earn 169 points toward your next level with Arium EVOLVE.
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Free care guide
About this freshwater fish

Threadfin Dwarf Rainbowfish Care Guide:

  1. Scientific Name: Iriatherina werneri

  2. Tank Size: Opt for a tank of at least 10 gallons for a small group of Threadfin Dwarf Rainbowfish.

  3. Water Parameters:

    • Temperature: Maintain a range of 72-79°F (22-26°C).
    • pH Level: Keep the water slightly acidic to neutral, ideally between 6.0-7.0.
    • Water Hardness: Soft to moderately hard water is suitable.

  4. Tank Setup:

    • Provide open swimming spaces with a well-planted aquarium.
    • Use a fine substrate to mimic their natural environment.
    • Ensure a well-filtered tank with gentle water flow.

  5. Diet:

    • Threadfin Dwarf Rainbowfish are omnivores; offer a varied diet of high-quality flakes, pellets, and small live or frozen foods like daphnia and brine shrimp.

  6. Tank Mates:

    • Threadfin Dwarf Rainbowfish are peaceful; keep them with other small, non-aggressive fish.
    • Avoid housing them with larger or aggressive species.

  7. Maintenance:

    • Perform regular water changes (20-30% every 1-2 weeks) to maintain water quality.
    • Monitor and maintain stable water parameters.

  8. Behavior:

    • Threadfin Dwarf Rainbowfish are known for their delicate, thread-like fins.
    • They exhibit schooling behavior, so keep them in groups of at least six.

  9. Compatibility:

    • Compatible with other peaceful community fish of similar size.
    • Avoid aggressive or fin-nipping tank mates.

  10. Breeding:

    • Breeding Threadfin Dwarf Rainbowfish may occur in a well-maintained aquarium.
    • Provide fine-leaved plants and floating vegetation for egg deposition.

  11. Health Monitoring:

    • Regularly observe for signs of stress, disease, or changes in behavior.
    • Quarantine new additions to prevent potential diseases.

By creating an environment that mimics their natural habitat and attending to their specific needs, you can enjoy the vibrant colors and social dynamics of Threadfin Dwarf Rainbowfish in your aquarium.