Add a vibrant, electric touch to your freshwater aquarium with the Green Kubotai Rasbora, a true gem among nano fish. Native to slow-moving streams in southern Thailand and Myanmar, these rare and stunning fish are known for their glowing, lime-green coloration that shimmers under aquarium lighting. Their small size and peaceful nature make them perfect for nano tanks or community setups with other gentle species.
Quick Facts:
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Scientific Name: Microdevario kubotai
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Common Names: Neon Green Rasbora, Kubotai Rasbora
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Origin: Thailand, Myanmar
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Adult Size: 0.6–0.8 inches (1.5–2 cm)
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Lifespan: 3–5 years with proper care
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Temperament: Peaceful, shoaling species
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Swimming Level: Mid to upper water column
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Minimum Tank Size: 10 gallons
Water Parameters:
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Temperature: 72–78°F (22–26°C)
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pH: 6.0–7.5
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Hardness: Soft to moderately hard water (2–10 dGH)
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Tank Setup: Heavily planted tanks with low to moderate flow
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Lighting: Moderate to high (to highlight coloration)
Diet:
Kubotai Rasboras are omnivores and will readily accept a variety of high-quality micro foods, such as:
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Crushed flake food
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Micro pellets
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Baby brine shrimp
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Daphnia
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Cyclops and other micro frozen foods
Feeding a varied diet enhances their health and intensifies their coloration.
Behavior & Compatibility:
Green Kubotai Rasboras are peaceful and shy when kept in small numbers, but when kept in groups of 6 or more, they become active, confident, and display beautiful schooling behavior. Ideal tank mates include:
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Other small rasboras and tetras
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Dwarf corydoras (e.g., pygmy corys)
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Small peaceful shrimp (e.g., Amano, Neocaridina)
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Otocinclus catfish
Avoid keeping them with large or aggressive fish.
Why Choose the Green Kubotai Rasbora?
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Striking neon green color rarely seen in freshwater fish
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Peaceful and easy to care for
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Excellent for aquascapes and nano tanks
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Active schooling behavior adds movement and interest
Recommended Group Size:
Minimum 6, but 10+ is ideal for natural behavior and best visual effect.
Note: These fish may appear pale or stressed during shipping but will regain their full color within a few days in a well-maintained aquarium.
