During the autumn of 2017, a study was conducted to assess zooplankton community composition in three sections (two latitudinal, going from Japan equator, and one longitudinal on equator) Western Pacific Ocean. A total 384 species adults 21 groups larvae were identified, with copepods being predominant taxon. The common dominant across Acrocalanus gibber, Canthocalanus pauper, Oithona similis, ...