Rainbow – Sahul Rainbowfish Moa Island 4cm

Sahul Rainbowfish: Melanotaenia sahulensis – Stunning Australian NativeThe Sahul Rainbowfish, scientifically known as Melanotaenia sahulensis, is a captivating freshwater fish native to the coastal streams of Moa Island in Australia’s Torres Strait. Its iridescent body, showcasing shimmering green, yellow, and blue hues with a subtle checkered pattern, adds vibrancy to community aquariums. Moreover, this peaceful schooling fish thrives in groups, making it an ideal choice for aquarists seeking a lively, colourful addition.Caring for Your FishTo ensure the Sahul Rainbowfish thrives, a tank of at least 80 litres is recommended, featuring a fine gravel or sandy substrate, driftwood, and dense plants like Java moss or Anubias to mimic its natural habitat.For instance, maintain water conditions with a pH of 6.5–8.0, a temperature of 24–29°C, and moderately hard water. Additionally, moderate lighting and a secure tank lid are crucial, as these active swimmers may leap. Weekly 20–30% water changes and a gentle filter promote pristine water quality.Ideal Tank Mates for Sahul RainbowfishThis species excels in groups of six or more, displaying vibrant colours and confident schooling behaviour. They coexist harmoniously with peaceful companions like guppies, ember tetras, or Kuhli loaches. However, avoid aggressive or larger fish, such as cichlids, to prevent stress. Furthermore, a spacious, planted tank with open swimming areas supports their active nature and enhances their display.Feeding and NutritionAs omnivores, the Sahul Rainbowfish benefits from a varied diet to maintain its vivid colouration. For example, offer high-quality flakes or small pellets as a staple, supplemented with live or frozen foods like brine shrimp, daphnia, or bloodworms. Moreover, include plant-based foods such as spirulina flakes or blanched spinach to ensure balanced nutrition. Consequently, feed small portions 2–3 times daily to avoid overfeeding and keep the tank clean.BreedingBreeding this species is achievable in an 80-litre tank with fine-leaved plants like Cabomba or a spawning mop for egg scattering. Maintain water at 25–28°C and a pH of 6.8–7.8 to encourage spawning. After spawning, remove adults to protect the eggs, which hatch in 7–12 days. Therefore, fry should be fed infusoria or liquid fry food initially, transitioning to baby brine shrimp as they develop.FAQs About Sahul RainbowfishWhat tank size is ideal for these fish? A minimum of 80 litres is recommended for a school of six or more.Can they live with other species? Yes, with peaceful fish like guppies or tetras, but avoid aggressive or larger species.What do these fish eat? They eat flakes, pellets, frozen foods like brine shrimp, and plant-based foods like spirulina, fed 2–3 times daily.Are these fish easy to breed? Yes, with fine-leaved plants or a spawning mop, though fry require careful feeding with infusoria initially.What water conditions do they need? They require a pH of 6.5–8.0, temperatures of 24–29°C, and moderately hard water.Species OverviewThe Sahul Rainbowfish is a vibrant, peaceful fish that elevates community aquariums with its iridescent colours and active schooling behaviour. Additionally, its adaptability and striking appearance make it suitable for aquarists of all experience levels. Note that sourcing from reputable breeders supports conservation efforts, as wild populations may face habitat pressures.Species: Melanotaenia sahulensisCommon Name: Sahul RainbowfishOrigin: Moa Island, Torres Strait, AustraliaDiet: OmnivorouspH Range: 6.5–8.0Temperature: 24–29°CCurrent Size: Approximately 4–5 cmMax Size: Approximately 7–9 cmTank Size: Minimum 80 litresSex: UnsexedOrder your Sahul Rainbowfish today and add a colourful, schooling fish to your aquarium! Live fish and aquarium products shipped Australia-wide.