Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records Andréfouët, Serge Chen, Wei-Jen Kinch, Jeff Mana, Ralph Russell, Barry C. Tully, Dean White, William T. Zootaxa 2019 2019-04-23 4588 1 1 360 4X7GC Watson 1995 Watson 1995 [151,582,151,176] Actinopterygii Gobiidae Sicyopus Animalia Perciformes 288 289 Chordata species discordipinnis   Status at New Ireland.Originally described from Namamosa, New Hanover by Watson (1995: 273), based on NMBA 5075 ( 1 paratype); previously misidentified as  Sicyopus balinense(non Bleeker 1856) by Koumans (1937: 24); record confirmed by Keith et al. (2015: 144–145).   Distribution and habitat. New Ireland: 1.—General distribution: Endemic to Papua New Guinea(main island, New Hanover, Bougainville). Found in lower reaches of clear coastal creeks and streams; larvae in adjacent marine habitats, 0–5 mdepth. Freshwater, transitional water and marine.