The Blue Moon Danio, scientifically known as Devario xyrops, is a captivating and relatively uncommon species of freshwater fish native to the rivers and streams of Myanmar. This species is highly prized by aquarists for its striking coloration, active nature, and peaceful demeanor, making it a delightful addition to well-maintained community aquariums.

Blue Moon Danios are characterized by their slender, elongated bodies and vibrant blue and silver coloration. Their bodies typically display a shimmering blue or blue-green hue with horizontal silver or gold stripes running along their sides. These stripes can vary in intensity and may have a reflective quality, adding to their overall visual appeal. Their fins are generally clear or slightly tinted, complementing their beautiful coloration.

In captivity, Blue Moon Danios thrive in aquariums that closely mimic their natural habitat. A tank setup should include a soft, sandy or fine gravel substrate and plenty of live plants, such as Java fern, Anubias, and Vallisneria, which provide cover and help create a comfortable environment. Adding rocks, driftwood, and other decorations can create hiding spots and break up lines of sight, helping to reduce territorial behavior and stress.

Water conditions should be slightly acidic to neutral, with moderate hardness. Maintaining stable water parameters through regular water changes and efficient filtration is crucial for the health and well-being of Blue Moon Danios. They are relatively hardy fish but do best in clean, well-oxygenated water with a gentle to moderate current.

Blue Moon Danios are social fish that should be kept in groups of at least six or more to promote their well-being and natural schooling behavior. Keeping them in a school not only reduces stress but also enhances their vibrant colors and active swimming patterns. They are generally peaceful and can be housed with other similarly sized, non-aggressive fish, making them ideal for community tanks.

Their diet should be varied to ensure they receive all necessary nutrients. Blue Moon Danios are omnivorous and will readily accept high-quality flake foods, small pellets, and live or frozen foods such as brine shrimp, daphnia, and bloodworms. Including some vegetable matter, like spirulina flakes or blanched spinach, can also be beneficial for their overall health.

Breeding Blue Moon Danios in captivity is relatively straightforward. They are egg scatterers, typically laying their eggs among fine-leaved plants or in spawning mops. To encourage breeding, maintain optimal water conditions with slightly warmer water and provide plenty of fine-leaved plants or spawning mops. Once spawning occurs, it is advisable to remove the adults from the breeding tank to prevent them from eating the eggs. The eggs usually hatch within a few days, and the fry can be fed with infusoria or finely crushed flake food until they are large enough to accept standard fare.

Overall, the Blue Moon Danio is an excellent choice for aquarists looking for a colorful, active, and relatively easy-to-care-for species. Their striking appearance, gentle nature, and dynamic behavior make them a delightful addition to any well-maintained community aquarium. With proper care, they can thrive and bring a burst of vibrant color and lively activity to your aquatic setup.