F. BIOLOGICAL FEATURES

F2. FAUNA

<< Zooplankton >>
   Keratella quadrata, Daphnia longispina, Acanthodiaptomas pacificus, Filinia quadrata, Polyarthra trigla (4,10)

<< Benthos >>
   Tubificinae, chironomid larva, Pisidium kawamurai (in 1985, larvae of Ephemera and those of two species of Phyganoidea were also collected)

<< Fish >>
   Oncorhynchus nerka, O. masou masou, Hypomesus nipponensis, Cyprinus carpio, carassius, Gasterosteus aculeatus aculeatus, Chanegobius urotaenia (4,10)