The Angfa Rainbowfish was scientifically described by Allen in 1990. Its scientific name is Melanotaenia angfa. The Angfa Rainbowfish is also known as Yakati Rainbowfish.

Description
The Angfa Rainbowfish can exceed 12 cm (4.7 inches) in length. It is quite similar to Melanotaenia herbertaxelrodi, but is bigger and has 20-22 anal fin rays. (Melanotaenia herbertaxelrodi only has 17-18 anal fin rays.) The Angfa Rainbowfish has bright yellow body and fins and a rather narrow mid-lateral stripe. The mid-lateral stripe is broken up by thin yellow streaks.

Geographical distribution, habitat and conservation
The Angfa Rainbowfish lives in the western part of Western New Guinea (Irian Jaya), at elevations of 200-400 meters (roughly 650-1300 feet). It has only been collected from two rainforest creeks in the Yakati River system. These creeks are situated in a hilly environment and the water is slow to rapid-flowing. Aquatic plants are scarce in both creeks and the bottom consists of sand or rock.  

The Angfa Rainbowfish is listed as “Data deficient” in the IUCN Red List of Threatened Species.

Keeping Honey Rainbowfish in aquariums
As far as we know, the Angfa Rainbowfish has not been kept in aquariums. If you want to keep Angfa Rainbowfish, try to mimic its natural habitat. Use rocks or sand as bottom substrate in the aquarium. Keep the water in the pH 6.5-7.5 range and the temperature between 24 and 26 degrees C (75-80 degrees F).

Breeding Honey Rainbowfish
As far as we know, the Angfa Rainbowfish has not been bred in aquariums. Its reproductive habits are probably similar to the other members of the genus Melanotaenia. This means that you should provide the females with ample amounts of hiding spots in the aquarium and remove the spawning substrate (e.g. java moss or a spawning mop) to a separate container once the eggs have been fertilized. The fry will most likely be able to eat infusoria to begin with and then newly hatched brine shrimp as they grow bigger.

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Other New Guinea Rainbowfishes

Axelrods Rainbowfish
Bleher’s Rainbowfish
Bulolo Rainbowfish
Higlands Rainbowfish
Silver Rainbowfish
Barred Rainbowfish
Lorentz’s Rainbowfish
Sentani Rainbowfish
Red Rainbowfish
Spotted Rainbowfish
Sepik Rainbowfish
Tami River Rainbowfish
Ramu Rainbowfish
Lake Wanam Rainbowfish
Threadfin Rainbowfish
Northern Rainbowfish
Ayamaru Rainbowfish
Arfak Rainbowfish
Boeseman’s Rainbowfish
Corona Rainbowfish
Waigeo Rainbowfish
Serong Rainbowfish
Goldie River Rainbowfish
Lake Tebera  Rainbowfish
Irian Jaya Rainbowfish
Strickland Rainbowfish
Yapen Rainbowfish
Lake Kutubu Rainbowfish
McCulloch’s  Rainbowfish
Mayland’s Rainbowfish
Misool Rainbowfish
Mountain Rainbowfish
Ogilby’s Rainbowfish
Oktedi Rainbowfish
Parkinson’s Rainbowfish
Lake Kurumoi Rainbowfish
Pima River Rainbowfish
Dwarf Neon Rainbowfish
Fly River Rainbowfish
Red Striped Rainbowfish
Van Heurn’s  Rainbowfish