Boeseman’s Rainbowfish (Melanotaenia boesemani) is a strikingly colorful freshwater fish native to lakes in West Papua, Indonesia. Known for its vibrant blue and orange halves.
Scientific Name
Melanotaenia boesemani
Habitat
Native to Ayamaru Lakes and nearby rivers in West Papua. Prefers clear, well-oxygenated water with aquatic vegetation.
Conservation
Near Threatened in the wild due to habitat degradation. Conservation efforts include captive breeding and habitat protection.
Lifespan
Typically lives 5–8 years in captivity.
Fun Fact
Their colors intensify during courtship or early morning light.
Diet
Omnivorous – eats flakes, pellets, brine shrimp, bloodworms, and vegetables.
Average Size
Grows up to 4.5 inches (11–12 cm).
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of Boeseman’s Rainbowfish?
They can live up to 5–8 years in captivity with good care.
What do they eat?
They are omnivorous, eating flakes, pellets, brine shrimp, bloodworms, and plant matter.
Are Boeseman’s Rainbowfish aggressive?
No, they are peaceful schooling fish, but should be kept in groups of at least 6.
What is the ideal tank size for them?
A minimum of 30–40 gallons is recommended for a school, as they are active swimmers.
Do they need a specific environment?
Yes, they prefer planted tanks, stable temperature (24–28°C), and good water movement.
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