Turquoise Rainbowfish

The Turquoise Rainbowfish is a vibrant freshwater showpiece known for its shimmering blue-green scales, metallic sheen, and energetic swimming style. Peaceful yet active, this stunning species adds bold color and movement to larger community aquariums.

Care Instructions

Temperament: Peaceful, active
Difficulty Level: Easy to Moderate
Adult Size: 4–5 inches
Lifespan: 5–8 years
Tank Size: 55 gallons minimum (long tanks preferred)
Temperature: 75–82°F
pH: 7.0–8.0
Water Hardness: Moderate to hard

✔ Keep in groups of 6 or more
✔ Provide open swimming space
✔ Add plants along the back and sides
✔ Strong filtration and clean water are important
✔ Secure lid recommended (they can jump!)

They are constant swimmers and need room to cruise — they truly shine in larger aquariums.

 Food

Turquoise Rainbowfish are omnivores and thrive on variety:

• High-quality flakes or pellets

• Frozen or live brine shrimp

• Bloodworms

• Daphnia

• Vegetable-based flakes or spirulina

A protein-rich, varied diet enhances their vibrant coloration.

Fun Facts

• Males display deeper body coloration and more intense turquoise tones.
• Their colors intensify during social displays and feeding time.
• Native to Lake Kutubu in Papua New Guinea.
• They are one of the most vibrant rainbowfish species available.