Emerald Dwarf Rasbora – Microdevario kubotai
The Emerald Dwarf Rasbora is a tiny, shimmering freshwater fish known for its vibrant green iridescence and peaceful schooling behavior. Perfect for planted and nano aquariums, these active fish add color and constant movement without overwhelming smaller tanks.
Emerald Dwarf Rasboras thrive in groups of 6 or more, which encourages natural schooling behavior and reduces stress. Their small size and gentle temperament make them ideal for peaceful community tanks with other microfish.
Key Details:
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Scientific Name: Microdevario kubotai
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Common Name: Emerald Dwarf Rasbora
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Origin: Thailand
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Size Purchased: 0.5" – 1"
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Adult Size: ~0.75" – 1"
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Type: Freshwater Rasbora
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Temperament: Peaceful, schooling
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Tank Size: 10+ gallons
Water Parameters:
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Temperature: 72–79°F
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pH: 6.5–7.5
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Hardness: Soft to Moderate
Diet:
Omnivorous. Feed a variety of micro pellets, high-quality flakes, and small frozen or live foods such as baby brine shrimp, daphnia, or microworms to support health and vibrant coloration.
Care Notes:
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Keep in schools of 6 or more for optimal behavior and reduced stress.
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Provide a well-planted tank with open swimming areas.
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Compatible with other peaceful microfish and small community species.
Why Choose the Emerald Dwarf Rasbora?
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Stunning emerald-green iridescence adds shimmer and life to small tanks.
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Tiny, peaceful, and hardy – perfect for nano or planted aquariums.
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Active schooling behavior creates a lively and dynamic display.