
Kubotai Rasbora (Microdevario kubotai)
Neon Green Kubotai Rasbora (Microdevario kubotai) is a dazzling nano fish known for its shimmering green coloration and peaceful nature. Native to Thailand and Myanmar, it's a favorite for planted tanks and community aquariums.
Species Overview
- Scientific Name: Microdevario kubotai
- Common Names: Neon Green Rasbora, Kubotai Rasbora, Green Rasbora
- Size: ~2 cm (0.8 inches)
- Lifespan: 3–7 years
- Temperament: Peaceful, schooling
- Difficulty: Beginner to intermediate
Tank Setup
- Minimum Tank Size: 15 gallons for a school of 8+
-
Aquascape:
- Dense vegetation (Java moss, Anubias, Crypts)
- Floating plants to diffuse light
- Driftwood and leaf litter for natural feel
- Lighting: Moderate to subdued
- Filtration: Gentle flow; sponge filters ideal
- Substrate: Dark substrate enhances coloration
Water Parameters
- Temperature: 68–80°F (20–27°C)
- pH: 6.0–7.0
- GH: 4–8
- TDS: 18–179 ppm
- Water Flow: Moderate, not strong
Diet
- Type: Omnivorous micro-predator
-
Staples:
- Crushed flakes, micro pellets
- Live/frozen: daphnia, brine shrimp, mosquito larvae
- Vegetables: Blanched zucchini, lettuce
- Feeding Tip: Small mouths—use appropriately sized food
Breeding
- Method: Egg scatterers
-
Spawning Setup:
- Dense plants or spawning mops
- Separate breeding tank recommended
-
Process:
- Eggs hatch in ~72 hours
- Fry become free-swimming in 3–4 days
- Feed infusoria, then baby brine shrimp and microworms
Tankmates
-
Compatible With:
- Chili Rasboras, Ember Tetras, Celestial Pearl Danios
- Corydoras, shrimp (with caution—may eat fry)
-
Avoid:
- Large or aggressive fish
- Group Size: Minimum 8; more enhances confidence and color
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Description
Neon Green Kubotai Rasbora (Microdevario kubotai) is a dazzling nano fish known for its shimmering green coloration and peaceful nature. Native to Thailand and Myanmar, it's a favorite for planted tanks and community aquariums.
Species Overview
- Scientific Name: Microdevario kubotai
- Common Names: Neon Green Rasbora, Kubotai Rasbora, Green Rasbora
- Size: ~2 cm (0.8 inches)
- Lifespan: 3–7 years
- Temperament: Peaceful, schooling
- Difficulty: Beginner to intermediate
Tank Setup
- Minimum Tank Size: 15 gallons for a school of 8+
-
Aquascape:
- Dense vegetation (Java moss, Anubias, Crypts)
- Floating plants to diffuse light
- Driftwood and leaf litter for natural feel
- Lighting: Moderate to subdued
- Filtration: Gentle flow; sponge filters ideal
- Substrate: Dark substrate enhances coloration
Water Parameters
- Temperature: 68–80°F (20–27°C)
- pH: 6.0–7.0
- GH: 4–8
- TDS: 18–179 ppm
- Water Flow: Moderate, not strong
Diet
- Type: Omnivorous micro-predator
-
Staples:
- Crushed flakes, micro pellets
- Live/frozen: daphnia, brine shrimp, mosquito larvae
- Vegetables: Blanched zucchini, lettuce
- Feeding Tip: Small mouths—use appropriately sized food
Breeding
- Method: Egg scatterers
-
Spawning Setup:
- Dense plants or spawning mops
- Separate breeding tank recommended
-
Process:
- Eggs hatch in ~72 hours
- Fry become free-swimming in 3–4 days
- Feed infusoria, then baby brine shrimp and microworms
Tankmates
-
Compatible With:
- Chili Rasboras, Ember Tetras, Celestial Pearl Danios
- Corydoras, shrimp (with caution—may eat fry)
-
Avoid:
- Large or aggressive fish
- Group Size: Minimum 8; more enhances confidence and color






















