The Blue Axelrodi Rasbora – Sundadanio axelrodi is a visually stunning fish that will captivate your attention with its vibrant blue coloration. Its streamlined body, measuring around 2 inches (5 cm) in length, is adorned with a striking blue hue that is simply mesmerizing. A contrasting black stripe runs horizontally from the nose to the base of the tail, adding a touch of elegance to its appearance. The translucent fins may exhibit hints of blue or red, further enhancing its overall beauty. This fish is truly a sight to behold and will add a touch of vibrancy to any aquarium.
Natural Habitat
In its natural habitat, the Blue Axelrodi Rasbora inhabits slow-moving streams and forested areas. The waters it dwells in are often stained brown due to the presence of tannins and decaying organic matter. These streams are characterized by soft and acidic water with a pH as low as 4.0. The surroundings are dimly lit due to the canopy cover and dense vegetation.
Keeping the Blue Axelrodi Rasbora Healthy
The Blue Axelrodi Rasbora is relatively easy to care for, making it suitable for both beginner and experienced aquarists. It prefers a well-maintained aquarium with stable water parameters. Regular water changes and a properly cycled tank are essential for its well-being. The recommended tank size for a small group is around 10 gallons (37 litres).
Special Requirements and Feeding
The Blue Axelrodi Rasbora is an omnivorous fish. Its diet should consist of a variety of high-quality dry and frozen foods. Supplementing their diet with live or frozen small invertebrates will help promote optimal health and coloration. It is essential to provide a balanced diet to ensure their nutritional needs are met.
How Many Should I Keep?
To create a lively and natural-looking display, it is recommended to keep the Blue Axelrodi Rasbora in groups of at least 6 individuals. This will allow them to exhibit their natural shoaling behavior and feel more secure in the aquarium.
Lighting Preference
The Blue Axelrodi Rasbora does well in aquariums with subdued lighting. It mimics the dappled light conditions found in their natural habitat. The use of floating plants or the placement of aquarium decorations strategically can provide areas of shade and diffused light.
Suitable Tank Mates
The Blue Axelrodi Rasbora is peaceful and compatible with other small, non-aggressive fish species that prefer similar water conditions. Suitable tank mates may include other small Rasbora species, peaceful tetras, dwarf shrimp, and small catfish.
Breeding the Blue Axelrodi Rasbora
Breeding the Blue Axelrodi Rasbora can be challenging. They are egg scatterers, and a separate breeding tank with appropriate water conditions and plants is necessary. The adults should be well-conditioned with a nutritious diet before breeding attempts. After spawning, it is advisable to remove the parents to prevent them from eating the eggs.
Male Blue Axelrodi Rasboras are typically more slender and have brighter colours compared to females. Females tend to have a rounder belly when mature and may display less intense coloration.
Lifespan
The average lifespan of the Blue Axelrodi Rasbora is around 3 to 5 years when provided with proper care and a suitable environment.
Distribution
The Sundadanio axelrodi, commonly known as the Blue Axelrodi Rasbora, is native to the Greater Sunda Islands of Borneo and Sumatra, as well as the Riau Archipelago and Bangka Island off the east coast of Sumatra. It is primarily found in the southern and eastern regions of Sarawak state in Malaysian Borneo.
This species exhibits regional variations in coloration depending on their specific locality. Fish from the south and east of Sarawak state display a stunning green or blue coloration, while those found in the west exhibit a striking red or orange hue. These geographical variations make each individual Blue Axelrodi Rasbora a unique and captivating specimen.
It is important to note that the Sundadanio axelrodi is not naturally occurring in the northern parts of Borneo. The species has also been documented in the Indonesian provinces of West Kalimantan, Central Kalimantan, and South Kalimantan. However, preserving the bloodlines and maintaining accuracy in labeling is crucial to better understand and appreciate the natural distribution of this magnificent fish.
Summary
The Blue Axelrodi Rasbora is a stunning and peaceful fish that adds a touch of vibrant blue coloration to any
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