The Long-band rasbora (Rasbora einthovenii), also known as the Brilliant rasbora, is a captivating freshwater fish cherished by aquarists for its vibrant appearance and dynamic schooling behavior. Its streamlined, golden-green body features a distinctive dark lateral stripe bordered by a subtle gold hue, extending from the mouth through the tail. This species is relatively hardy and peaceful, making it an excellent choice for both beginner and intermediate fishkeepers seeking to add a lively and visually appealing element to their community aquariums.
Providing optimal care for the Long-band rasbora involves replicating its natural habitat conditions to ensure health and vitality.
What is the minimum tank size required for Long-band rasboras?
A minimum tank size of 113 liters (approximately 30 gallons) is recommended to accommodate a small group, allowing ample swimming space and promoting natural schooling behavior.
What are the ideal water parameters for Long-band rasboras?
Maintain water temperatures between 22°C and 26°C (72°F to 79°F), with a pH range of 6.0 to 7.0. Water hardness should be kept between 4 to 10°dH to mimic their native soft, slightly acidic waters.
How should the aquarium be set up for Long-band rasboras?
Use a soft, sandy substrate complemented by driftwood and leaf litter to create shaded areas and replicate their natural environment. Incorporate live plants like Java fern (Microsorum pteropus) and Java moss (Vesicularia dubyana) to provide additional cover and enhance the tank's aesthetics. Ensure moderate water flow and dim lighting to simulate the conditions of their native forest streams.
What is the recommended diet for Long-band rasboras?
Long-band rasboras are omnivorous and thrive on a varied diet. Offer high-quality flake or pellet foods as a staple, supplemented with live or frozen foods such as brine shrimp, bloodworms, and daphnia to enhance coloration and overall health.
Are there any specific challenges in keeping Long-band rasboras?
These fish are sensitive to fluctuations in water quality. Regular water changes and monitoring of parameters are essential. Additionally, they are known jumpers, so a tightly fitting aquarium lid is necessary to prevent escapes.
Long-band rasboras are native to Southeast Asia, specifically the Malay Peninsula, Sumatra, and Borneo. They predominantly inhabit small, moderately flowing forest streams characterized by soft, acidic waters. These environments are often shaded by dense vegetation, with substrates composed of sand and leaf litter. The water in these habitats is typically tannin-stained, creating a blackwater environment that influences the fish's coloration and behavior.
Long-band rasboras are peaceful, schooling fish that thrive in groups of at least six individuals. Their social nature makes them excellent candidates for community tanks.
Are Long-band rasboras compatible with other fish species?
Yes, they coexist well with other peaceful species such as tetras, danios, gouramis, and small catfish like Corydoras. Avoid housing them with aggressive or significantly larger fish to prevent stress and potential predation.
How do Long-band rasboras behave in a community tank?
When kept in appropriate group sizes, they exhibit synchronized swimming patterns, adding dynamic movement to the aquarium. Their active nature and striking appearance make them a focal point in community setups.
What is the minimum number of Long-band rasboras to keep together?
To promote natural behavior and reduce stress, it's recommended to keep them in groups of at least six individuals.
Long-band rasboras are known for their remarkable adaptability and unique behaviors.
What is unique about the coloration of Long-band rasboras?
Their bodies exhibit a golden-green hue with a prominent dark lateral stripe bordered by gold, which can develop a purple tinge towards the posterior, especially in tannin-stained waters.
How do Long-band rasboras reproduce?
They are egg scatterers, spawning among dense vegetation. After spawning, it's advisable to remove the parents to prevent them from consuming the eggs.
What is the lifespan of Long-band rasboras?
With proper care, they can live up to 5 years, providing aquarists with long-term enjoyment.
All information in this article has been gathered from the following reputable sources:
Recommended Tank Size 29.9 Gallon (suitable for a group of 6 or more) |
Minimum Group Size 6 |
Minimum Tank Volume 29.9 Gallon |
Maximum Adult Length 3.5 inch |
Average Adult Length 3.1 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Soft, acidic freshwater |
Temperature Range (°C) 22–26 |
pH Range 6.0–7.0 |
Water Hardness (dGH) 4–10 |
Typical Lifespan (years) 5 years |