Neon Green Rasbora – Brilliant Fluorescent Green Nano Schooling Fish
The Neon Green Rasbora (Microdevario kubotai) is a stunning miniature freshwater fish admired for its brilliant neon-green coloration, peaceful temperament, and lively schooling behaviour.
Native to freshwater streams in Thailand and Myanmar, this beautiful nano fish features a shimmering lime-green body that appears almost fluorescent under aquarium lighting.
Despite its small size, the Neon Green Rasbora creates an impressive visual display when maintained in groups, with dozens of tiny green fish moving gracefully through a lush planted aquarium.
Its peaceful personality and compact adult size make it an excellent choice for carefully maintained nano aquariums, aquascapes, and peaceful freshwater community tanks.
Neon Green Rasboras thrive in mature aquariums with clean, well-oxygenated water, dense aquatic plants, and open swimming areas.
Colourful, active, and fascinating to observe, this species is a wonderful choice for aquarists seeking a vibrant schooling fish that complements natural planted aquarium layouts.
Care Guide
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Parameter
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Details
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Scientific Name
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Microdevario kubotai
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Former Scientific Name
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Microrasbora kubotai
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Common Name
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Neon Green Rasbora
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Other Names
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Kubotai Rasbora, Green Neon Rasbora
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Origin
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Thailand and Myanmar
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Adult Size
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Approximately 2–2.5 cm
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Temperature
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20–27°C
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pH
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6.0–7.0 preferred
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Water Hardness
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1–10 dGH
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Minimum Tank Size
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60 L+ recommended
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Minimum Tank Dimensions
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60 × 30 cm footprint
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Diet
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Micropredator / Omnivore
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Temperament
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Very Peaceful
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Care Level
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Intermediate
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Group Size
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10+; preferably 15–20
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Lifespan
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Approximately 3–5 years
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Swimming Level
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Middle
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Water Flow
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Gentle to Moderate
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Aquarium Type
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Nano Planted Aquarium / Peaceful Community Aquarium
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Special Requirements
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Mature aquarium, tiny foods, stable water, group housing
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