People Japan Kouichi Hidaka peoplepill id: kouichi-hidakaKH 4 views today 4 views this weekJapanese ichthyologistKouichi HidakaBiographyListsAlso ViewedListsKouichi Hidaka is in following listsBy field of workNotable Japanese biologistsBy work and/or countryNotable Japanese ZoologistsNotable Japanese IchthyologistsFrom our partnersSponsoredKouichi Hidaka