Size3.9 inches (10 cm)
DietLarval insects and small crustaceans
RangePapua New Guinea
HabitatFreshwater highland lake, Lake Kutubu
- Coloration may vary based on environment, water conditions and diet.
- Coloration ranges between light and dark shades of blue and turquoise.
- After spawning, may posess an orange or gold coloration.
- Male is larger and more brightly colored than female.
- Male develops a deeper body than female.
- Maximum length of 3.9 inches (10 cm).
The turquoise rainbowfish is also known as “Lake Kutubu rainbowfish.”
- Omnivorous species.
- Feeds on larval insects and small crustaceans.
- 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 (220 km) from the Gulf of Papua.
- An oviparous, or egg-laying species; also a non-guarding species.
- Eggs are fertilized externally and scattered when laid.
- “Vulnerable” on the IUCN Red List.
- Threats include:
- Introduction of gill nets and outboard motors along the Lake Kutubu.
- Development of oil drilling and logging in the area.
- Also known as “Lake Kutubu rainbowfish.”
- Considered a peaceful community fish.