Description

Kubotai Rasbora – Electric Green Jewel of the Aquarium 🌿✨

Bring dazzling color and nonstop activity to your freshwater setup with the Kubotai Rasbora (Microdevario kubotai). Also known as the Neon Green Rasbora, this tiny schooling fish glows with brilliant green fluorescence under aquarium lighting, creating a stunning, dynamic shimmer as they dart gracefully through the water. Perfect for planted tanks, nano setups, and peaceful community aquariums, the Kubotai Rasbora offers an irresistible mix of beauty, energy, and harmony.

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Why You’ll Love the Kubotai Rasbora 💚

• ✅ Unmatched Coloration: Their striking neon-green shimmer gives your aquarium a radiant, otherworldly glow.

• ✅ Peaceful & Active: Excellent choice for community tanks—never aggressive and always in motion.

• ✅ Perfect for Nano Aquariums: Small size makes them ideal for aquariums as small as 40 L.

• ✅ Spectacular Schooling Fish: Best kept in groups of 10 or more for the most breathtaking effect.

• ✅ Hardy & Adaptable: Suitable for both beginners and experienced aquascapers.

• ✅ Plant-Loving Species: Feels most at home among live plants, driftwood, and gentle water flow.

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Care & Placement

Lighting: Moderate to bright lighting helps accentuate their glowing coloration.

Water Parameters:

• Temperature: 23 – 28 °C

• pH: 6.0 – 7.5

• Hardness: Soft to moderately hard

Tank Size: Minimum 40 litres for a small school, though larger groups look even more impressive in tanks 60 L and up.

Diet: Omnivorous – readily accepts high-quality micro pellets, crushed flakes, baby brine shrimp, daphnia, and micro worms. Feed small portions twice daily to maintain health and color.

Aquascaping & Placement:
Kubotai Rasboras thrive in densely planted aquariums with open swimming areas and shaded spots. Floating plants such as Salvinia or Frogbit diffuse the light and help them feel secure. Combine fine-leafed stems like Rotala rotundifolia or Limnophila sessiliflora with dark driftwood to create a natural contrast that enhances their metallic sheen.

Tankmates: Peaceful by nature, they coexist wonderfully with small tetras, Corydoras, shrimp, and other micro rasboras. Avoid large or boisterous species that may intimidate or outcompete them at feeding time.

Tips for Success:

• Keep in groups of at least 10 – they are schooling fish and display best in numbers.

• Perform regular partial water changes to maintain pristine water quality.

• Use gentle filtration; strong currents can stress these delicate fish.

• A dark substrate helps bring out their neon coloration beautifully.

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Aquascaping Inspiration 🌿🐟

The Kubotai Rasbora shines brightest in a nature or biotope-style aquascape. Picture a lush carpet of Monte Carlo or Helanthium tenellum with delicate green rasboras gliding above—a living ribbon of light. Pair them with peaceful bottom dwellers like Pygmy Corydoras or Amano Shrimp for a balanced, visually layered display. Their synchronized schooling and iridescent green bodies create a mesmerizing sense of motion, transforming even a simple planted tank into a living work of art.

Under LED lighting, their coloration takes on a glowing, neon intensity that looks spectacular against deep greens and wood tones—an aquascaper’s dream fish for both small and large layouts.

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Quick Facts

• Scientific Name: Microdevario kubotai

• Common Name: Kubotai Rasbora / Neon Green Rasbora

• Origin: Streams of Thailand and Myanmar

• Adult Size: 2–2.5 cm

• Temperament: Peaceful, schooling

• Lifespan: 4–5 years

• Diet: Omnivore – micro foods, flakes, frozen & live foods

• Water Parameters: Temp 23–28 °C | pH 6.0–7.5 | Soft to moderate hardness

• Minimum Tank Size: 40 L (larger recommended for groups)

• Compatibility: Ideal for nano and community tanks

• Aquascape Level: Beginner–Intermediate

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Light up your aquarium with the Kubotai Rasbora, the little fish with a big visual impact! 💚 Their glowing green coloration and peaceful personality make them a must-have for anyone who loves vibrant, harmonious aquascapes. They are a favourite here at HeldeReef, add a school today and watch your tank come alive with motion and color. 🌿✨🐟

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