caerulea, Melanotaenia Allen [G. R.] 1996:10, Figs. 1-2 [Revue française d'Aquariologie Herpétologie v. 23 (no. 1/2); ref. 22218] Tributary of Mubi River near Wasi Falls Lodge, Kikori River system, Papua New Guinea. Holotype: WAM P.30986-001. Paratypes: WAM P.30966-001 (23), P.30980-001 (26), P.30981-005 (6), P.30984-002 (47), P.30985-002 (4), P.30986-002 (6). Type catalog: Moore et al. 2008:12 [ref. 30117]. •Valid as Melanotaenia caerulea Allen 1996 -- (Allen & Hadiaty 2011:602 [ref. 31351], Allen et al. 2015:103 [ref. 33750], Graf et al. 2015:870 [ref. 33836], Hammer et al. 2019:212 [ref. 37131]). Current status: Valid as Melanotaenia caerulea Allen 1996. Melanotaeniidae. Distribution: Lower Kikori River system, Papua New Guinea. Habitat: freshwater.