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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Euglena viridis
Ehrenberg 1830

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).
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Euglena viridis
E. viridis ?
67 x 11 μm
Furu-tone river
Kasukabe
Saitama, 2004
Euglena
E. viridis
60 x 16 μm
drainage ditch
Ogasaki
Iwatsuki
Saitama, 2005
Euglena viridis
E. viridis
60 x 15 μm
drainage ditch
Shimofukada
Iwatsuki
Saitama, 2006
Euglena viridis
E. viridis
59 x 16 μm
Sakitama-kofun p.
Gyoda
Saitama, 2007
Euglena
E. viridis
63 x 15 μm
Shigesato
Tsukuba
Ibaraki, 2007
Euglena viridis
E. viridis
57 x 15 μm
drainage ditch
Shimo-nanbata
Fujimi
Saitama, 2006
Euglena viridis
E. viridis
57 x 14 μm
drainage ditch
near Oppe river
Kawajima
Saitama, 2005
Euglena
E. viridis
57 x 13 μm
Watasuge marsh
Tsugaike highland
Nagano, 2005
Euglena viridis
E. viridis
55 x 17 μm
Akasaka-numa
Iwatsuki-ku
Saitama, 2006
Euglena viridis
E. viridis
55 x 15 μm
Oura central p.
Oura
Gunma, 2006
Euglena viridis
E. viridis
55 x 12.5 μm
drainage ditch
Kurihashi
Saitama, 2006
Euglena viridis
E. viridis
50-55 x 14-15
drainage ditch
near Tobai-numa n.p.
Kawashima
or Kawajima
Saitama, 2005
Euglena viridis
E. viridis
54 x 12 μm
Watarase Wetland
Fujioka
Tochigi, 2005
Euglena viridis
E. viridis
54 x 12 μm
near Yoshino park
Mitsukaido
Ibaraki, 2006
Euglena viridis
E. viridis
54 x 11 μm
Okubo Ryoke
Akigase park
Saitama, 2005
Euglena viridis
E. viridis
μm
Kondo-numa
Tatebayashi
Gunma, 2006
Euglena viridis
E. viridis
53 x 14 μm
Iruma
Saitama, 2002
Euglena viridis
E. viridis
52 x 13 μm
Ageo
Saitama, 2002
Euglena viridis
E. viridis
52 x 13 μm
Ushiku
Ibaraki, 2002
Euglena viridis
E. viridis
51 x 15 μm
Soka
Saitama, 2002
Euglena viridis
E. viridis
51 x 14 μm
Kondo-numa p.
Tatebayashi
Gunma, 2006
Euglena viridis
E. viridis
51 x 9 μm
Mizuko
Fujimi
Saitama, 2003
Euglena viridis
E. viridis
50 x 16 μm
Kitamoto n.o.p.
Kitamoto
Saitama, 2006.1
Euglena viridis
E. viridis
45 x 12 μm
Kitamoto n.o.p.
Kitamoto
Saitama, 2006.3
Euglena viridis
E. viridis
50 x 14 μm
Kami-omino
Kawajima
Saitama, 2006
Euglena viridis
E. viridis
50 x 13 μm
sewage drain
Utsunomiya
Tochigi, 2006
Euglena viridis
E. viridis
μm
Kagami-ishi
Fukushima, 2008
Euglena viridis
E. viridis
47 x 16 μm
Tobai-numa n.p.
Kawajima
Saitama, 2006
Euglena viridis
E. viridis
48 x 14 μm
rice field
near Tobai-numa n.p.
Kawashima
or Kawajima
Saitama, 2005
Euglena viridis
E. viridis
48 x 12 μm
Iwajuku
Gunma, 2001
Euglena viridis
E. viridis
μm
Nishi-Urawa
Saitama, 2003
Euglena viridis
E. viridis
49 x 13 μm
Midori-no-oka p.
Matsubushi
Saitama, 2004
Euglena viridis
E. viridis
47 x 15 μm
Banpaku memorial p.
Tsukuba
Ibaraki, 2006
Euglena viridis
E. viridis
or E. stellata ?
45 x 14 μm
Omoi river
Oyama
Tochigi, 2004
Euglena viridis
E. viridis
45 x 14 μm
Watarase river
Ashikaga
Tochigi, 2004
Euglena viridis
E. viridis
45 x 14 μm
Kurome river
Asaka
Saitama, 2005
Euglena viridis
E. viridis
45 x 12.5 μm
Oura central p.
Oura
Gunma, 2006
Euglena viridis
E. viridis
45 x 13 μm
Shiba river
near Owada p.
Saitama, 2005
Euglena
E. viridis ?
44 x 13 μm
near Town Hall
Shobu
Saitama, 2004
Euglena viridis
E. viridis
42 x 12 μm
Kami-omino
Kawajima
Saitama, 2006
Euglena
E. viridis
42 μm
Japan, 199?
Euglena viridis
E. viridis
40 x 8 μm
Akigase Park
Saitama, 2002
Euglena viridis
E. viridis
μm
Ranzan
Saitama, 2003
Euglena viridis
E. viridis
41 x 14 μm
Oura central p.
Oura
Gunma, 2006
Euglena viridis
E. viridis
38 x 13 μm
Kiyasse-Hanyu
Hanyu
Saitama, 2006
Euglena viridis
E. viridis
38 x 11 μm
Gunma-no-suigo
Itakura
Gunma, 2006
Euglena viridis
E. viridis
37 x 14 μm
Ko-sumida river
Kasukabe
Saitama, 2006
Euglena
E. viridis
37 x 9 μm
Tatebayashi
Gunma, 2001
Euglena
E. viridis ??
35 x 8 μm
Ueno
Tokyo, 2001
Euglena
E. viridis ??
31 x 7 μm
Higashi-urawa
Saitama, 2001
Similar species -->> E. stellata; E. cantabrica;

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Euglena viridis
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