Boseman’s Rainbowfish ~ Melanotaenia boesemani

Description & Care Guide:
Boseman’s Rainbowfish is a striking freshwater species prized for its vivid, multi-colored body. Males are especially noted for their brilliant blend of blue, orange, and yellow hues, creating a stunning rainbow effect. These peaceful, active fish are best kept in schools, where their colors and lively swimming behavior can be fully appreciated. Boseman’s Rainbowfish are easy to care for and adaptable, making them an excellent choice for both beginners and experienced aquarists. They thrive in well-planted aquariums with plenty of swimming space.

• Difficulty Level: Easy

• Tank Size: Minimum 30 gallons

• Food Requirements: Omnivorous – accepts flakes, pellets, and live or frozen foods such as brine shrimp and bloodworms

• Temperament: Peaceful, social, and should be kept in schools of 6 or more

• Water Parameters: Prefers neutral to slightly alkaline water (pH 7.0 - 8.0), temperatures between 75-82°F (24-28°C)

• Full Grown Size: 4-5 inches (10-12 cm)

Wild Habitats/Origins:
Native to Papua New Guinea and parts of Indonesia, Boseman’s Rainbowfish is found in slow-moving rivers and streams with clear water and plenty of vegetation. These fish prefer warm, tropical environments where they can graze on algae and small invertebrates. Their natural habitat is often characterized by dense plants and shallow waters with a gentle current, making them well-suited for similar conditions in home aquariums.

Fun Fact:
The vibrant coloration of Boseman’s Rainbowfish is a result of natural sexual selection, where males display their bright hues to attract females, making them one of the most colorful and captivating species in the aquarium hobby.