Boesemani Rainbow - 5cm

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