The Melanotaenia synergos lives in the pelagic, freshwater, depth range 0 - 3 m environment.
Melanotaenia synergos is currently only known from Batanta Island, which lies immediately west of the West Papuan mainland. Batanta is a small island approximately 55 kilometres long and 30~35 kilometres wide and is home to three separate species of rainbowfishes. More
A new species of rainbowfish, Melanotaenia synergos, is described on the basis of 45 specimens, 24.1-63.3 mm SL, collected in 1998 at Batanta Island, western New Guinea (Papua Barat Province, Indonesia). It is closely allied to M. More