Melanotaenia lacustris (Lake Kutubu Rainbowfish) — 10–12 cm Galaxy Rasbora Maintenance: Regular weekly water changes

Maintenance: Regular weekly water changes (20–30%) recommended

Best observed in mature

Water Temperature: Maintain between 72–82 °F (22–28 °C)

Lifespan can stretch up to 10–12 years with proper care

Wild populations are declining due to overfishing and habitat disruptions

Melanotaenia lacustris (Lake Kutubu Rainbowfish) — 10–12 cm Galaxy Rasbora Maintenance: Regular weekly water changesOverview The Lake Kutubu Rainbowfish (Melanotaenia lacustris) is a captivating freshwater species native to Lake Kutubu in Papua New Guinea. Renowned for its vibrant turquoise coloration and peaceful temperament, it is a popular choice among aquarists seeking a visually striking addition to their community tanks. Key Features Size: 1012 cm (45 inches) Origin: Lake Kutubu, Papua New Guinea Temperament: Peaceful; best kept in schools Lifespan: Up to 8