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Green Kubotai Rasbora

Green Kubotai Rasbora

Posted by Max Gandara on on 19th Feb 2025

Green Kubotai Rasbora: A Jewel of the Freshwater Aquarium

The Green Kubotai Rasbora, scientifically known as Microdevario kubotai, is a dazzling species that adds a splash of vibrant color to any freshwater aquarium. Originating from the lush, tropical waters of Southeast Asia, these small fish are adored by aquarists for their striking appearance and lively behavior.

Physical Characteristics

One of the most captivating features of the Green Kubotai Rasbora is its iridescent green coloration, which shimmers beautifully under aquarium lighting. This small fish typically grows to about 1 to 1.5 inches, making it an ideal choice for nano tanks or as part of a larger community aquarium. Its slender, streamlined body is complemented by translucent fins, which add to its delicate and ethereal look.

Habitat and Tank Requirements

To create an ideal environment for the Green Kubotai Rasbora, it is important to mimic its natural habitat. These fish thrive in densely planted tanks that offer plenty of cover and swimming space. A tank size of at least 10 gallons is recommended, though larger setups will allow for more dynamic schooling behavior:

  • Water Temperature: 72°F to 79°F (22°C to 26°C)

  • pH Level: 6.0 to 7.5

  • Water Hardness: Soft to moderately hard

Adding driftwood, rocks, and live plants will not only enhance the tank's aesthetics but also provide hiding spots and territories, contributing to the overall well-being of the fish.

Behavior and Social Structure

Green Kubotai Rasboras are peaceful and social creatures known for their shoaling behavior. It is advisable to keep them in groups of at least six to eight individuals to observe their natural interactions and schooling patterns. When housed in appropriate numbers, these fish exhibit increased confidence and reduced stress, leading to more vibrant colors and active displays.

Diet and Feeding

In the wild, Green Kubotai Rasboras feed on a variety of small insects, crustaceans, and plant matter. In captivity, they readily accept a range of foods, ensuring a balanced diet is crucial for their health and coloration:

  • Staple Diet: High-quality flake or micro pellet food

  • Supplements: Live or frozen foods such as daphnia, brine shrimp, and bloodworms

Feeding should be done in small amounts, twice a day, ensuring all food is consumed within a few minutes to prevent tank pollution.

Breeding Tips

Breeding Green Kubotai Rasboras can be a rewarding experience for aquarists. These fish are egg scatterers, and successful breeding often requires a separate breeding tank with soft, slightly acidic water:

  1. Setup: Provide fine-leaved plants or spawning mops for egg deposition.

  2. Conditioning: Feed breeding pairs with live or frozen foods to initiate spawning.

  3. Egg Care: Remove adults after spawning to prevent egg predation. Eggs typically hatch within 24 to 36 hours, and fry become free-swimming after a few days.

Conclusion

The Green Kubotai Rasbora is a stunning addition to any freshwater aquarium, offering both aesthetic beauty and lively behavior. By providing a suitable environment and proper care, aquarists can enjoy the vibrant presence of these delightful fish for many years. Whether you're a seasoned aquarist or a beginner, the Green Kubotai Rasbora will surely captivate your heart and enhance your underwater world.