Species: 40-65 μm long, 14-20 μm wide; anterior end rounded, posterior end pointed;
fusiform during locomotion; highly plastic when stationary; chloroplasts more or less bandform,
radially arranged; nucleus posterior (Kudo, 1966).
Fusiform, 40-80 μm long, 12-20 μm wide; swim rapidly (Illustrated guide, 1985).Mucous body granular in shape (An illustrated guide to freshwater zooplankton in Japan, 2000). |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a drainage ditch, Kagami-ishi town, Fukushima Pref., Japan, January 3, 2008, by Y. Tsukii
