Blue Turquoise Rainbow Fish

The Blue Turquoise Rainbowfish (Melanotaenia lacustris) is a vibrant and captivating species of freshwater fish that hails from the lakes and rivers of New Guinea. Known for its striking appearance, this species is favored by aquarists for its brilliant, iridescent turquoise-blue coloration, particularly in males. The Blue Turquoise Rainbowfish exhibits a shimmering, almost metallic glow that makes it stand out in both community and species-specific aquariums. With a peaceful nature and an active, schooling temperament, this species is a fantastic choice for both beginner and experienced aquarists. Blue Turquoise Rainbowfish Care Guide The Blue Turquoise Rainbowfish is relatively easy to care for, making it a good choice for aquarists of all experience levels. A minimum tank size of 30 gallons is recommended for a small school of these fish, though larger tanks (55 gallons or more) are ideal if you plan to keep a larger group. This species thrives in slightly acidic to neutral water wi