Turquoise Rainbowfish – Melanotaenia lacustris
The Turquoise Rainbowfish (Melanotaenia lacustris) is a striking freshwater fish known for its shimmering turquoise-blue body and vibrant red fins. Highly active and social, these fish are a beautiful addition to community aquariums, adding color, movement, and personality.
Scientific Name: Melanotaenia lacustris
Care Level: Moderate
Temperament: Peaceful, Schooling
Origin: Captive-Bred
Lifespan: 5 to 8 years
Water Parameters
Temperature: 74 to 82°F
pH: 7.0 to 8.0
Hardness: Moderate
Diet
Turquoise Rainbowfish are omnivorous and thrive on a varied diet including high-quality flakes or pellets, along with live or frozen foods such as brine shrimp, daphnia, and bloodworms. A balanced diet enhances their natural coloration.
Tank Requirements
A minimum 30-gallon aquarium is recommended with plenty of swimming space and a well-planted environment. They prefer a gentle water flow and stable, clean water conditions.
Compatibility
Peaceful and active, Turquoise Rainbowfish do well in community tanks with other non-aggressive, medium-sized fish. They should be kept in schools of at least 6 to encourage natural behavior and reduce stress.
Behavior
These fish are active swimmers, often exploring all levels of the aquarium. Their vibrant colors intensify as they mature, making them a lively and attractive centerpiece in any tank.
Turquoise Rainbowfish are perfect for aquarists seeking a colorful, active, and peaceful schooling fish for their freshwater community aquarium.