FIGURE 4. Comparative life images of the New Guinea endemic members of the maccullochi species group of rainbowfishes: (A) Melanotaenia caerulea, male holotype (WAM P.30986-001), 61 mm SL, Kikori River system, Papua New Guinea (GRA), (B) M. garylangei, male, approximately 60 mm SL, Eilanden River system, Papua Province, Indonesia (G. Lange), (C) M. mairasi, female holotype (MZB 19657), 54 mm SL, Lake Furnusu, West Papua Province, Indonesia (R. Hadiaty), (D) M. ogilbyi, male, approximately 50 mm SL, Iweka River system, Papua Province, Indonesia (GRA), (E) M. papuae, male holotype (WAM P.26393-002), 60 mm SL, Mt. Diamond, Papua New Guinea (GRA), (F) M. sexlineata, male, approximately 60 mm SL, upper Fly River system, Papua New Guinea (M.G. Allen), and (G) M. sylvatica, male paratype (WAM P.31224-002), Sapoi River, Papua New Guinea (GRA).

Published as part of Hammer, Michael P., Allen, Gerald R., Martin, Keith C., Adams, Mark & Unmack, Peter J., 2019, Two new species of dwarf rainbowfishes (Atheriniformes: Melanotaeniidae) from northern Australia and southern New Guinea, pp. 201-234 in Zootaxa 4701 (3) on page 214, DOI: 10.11646/zootaxa.4701.3.1, http://zenodo.org/record/3557999