F. BIOLOGICAL FEATURES F2. FAUNA << Zooplankton >> Ceratium hirundinella, Difflugia bacillifera, Psudodiffugia horrida Keratella cochlearis Polyarthra trigla (4) << Benthos >> Chironomus plumosus (3) << Fish >> Hypomesus transpacificus, Carassius carassius, Cyprinus carpio, Anguilla japonica, Leuciscus hakonensis (Q)