Boesemani Rainbow

Species Profile Scientific Name: Melanotaenia boesemani Common Name: Boesemani Rainbow, Bosemani Rainbow Adult Size: 4–4.5 inches (10–11.5 cm) Life Expectancy: 5–8 years with proper care Habitat: Native to lakes and tributaries near Ayamaru in West Papua, Indonesia. Inhabits clear, shallow, plant-rich freshwater lakes and streams Tank Requirements Minimum Tank Size: 30 gallons (114 liters) for a small school (5–6 fish); 55+ gallons recommended for larger groups Ideal Temperature: 75–82°F (24–28°C) pH Range: 7.0–8.0 Water Hardness: 8–25 dGH (moderate to hard) Temperament: Very peaceful and active; best kept in groups of 6 or more to encourage natural behavior and reduce stress Diet & Nutrition Omnivorous: Yes Diet: Accepts high-quality flakes, micro pellets, and a variety of live or frozen foods like brine shrimp, daphnia, and bloodworms. Also enjoys blanched vegetables such as spinach and zucchini Appearance Coloration: Distinctive two-tone body: the front half is vibrant blue, while the rear half is a bright orange-yellow Body Shape: Deep-bodied and laterally compressed with slightly arched back Fins: Typically transparent or slightly colored with bluish or reddish hues Distinctive Features Iconic two-tone coloration — striking contrast of blue and orange Males display brighter colors, especially during breeding or when showing off in social groups Schooling behavior is essential to bring out their natural color and reduce aggression Hardy and adaptable, making them suitable for a wide range of freshwater community setups Active swimmers, so open space in the aquarium is important