The turquoise rainbowfish is considered a peaceful community fish.
  • Size

    Up to 4 inches (10 cm)
  • Diet

    Larval insects and small crustaceans
  • Range

    Papua New Guinea
  • Habitat

    Freshwater highland lake, Lake Kutubu

Physical Characteristics

  • Coloration may vary based on environment, water conditions and diet.
  • Coloration ranges between light and dark shades of blue and turquoise.
  • After spawning this fish may possess an orange or gold coloration.
  • Males are larger and more brightly colored than females.
  • Males develop a deeper body than females.
  • Maximum length of 4 inches (10 cm).

Animal Fact

The turquoise rainbowfish is also known as “Lake Kutubu rainbowfish.”

Diet / Feeding

  • Omnivorous species- feeds on larval insects and small crustaceans.

Range / Habitat

  • Occurs endemically in the Kikori River drainage of the Southern Highlands, Papua New Guinea.
  • Found in a freshwater highland lake, Lake Kutubu, and the lake’s outlet; 136 miles (219 km) from the Gulf of Papua.

Reproduction & Growth

  • Oviparous, or egg-laying species; also a non-guarding species.
  • Eggs are fertilized externally and scattered when laid.

Conservation Status

  • “Endangered” on the IUCN Red List.
  • Threats include:
    • Introduction of gill nets and outboard motors along Lake Kutubu.
    • Development of oil drilling and logging in the area.

Additional Information

  • Also known as “Lake Kutubu rainbowfish.”
  • Considered a peaceful community fish.


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