Species: 35-55 μm long,
6-25 μm wide;
cylindrical to elongate ovate; highly plastic; fusiform chloroplasts variable in number (Kudo, 1966).
Less than 20 chloroplasts; paramylon (paramylum) body attached to each side of each chloroplast;
tolerance of wide range of acidity, pH 3.5-9.9 (How to know the protozoa, 1979).
35-65 μm long,
5-15 μm wide; swim rapidly;
chloroplasts 6-12 per cell, large flat, shield-shaped (Illustrated guide, 1985).Cell body fusiform or cylindrical, 40-65 μm long, 7-13 μm wide, posterior somewhat pointed, euglenoid movement active; chloroplasts saucer-shaped with wavy margin, 6-16 in number, a pyrenoid covered with paramylon sheath located at the center; a flagellum 1/2 to 2/3 of the body length; nucleus nearly spherical 7-8 μm in diam., stigma 3 μm (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euglena gracilis, axenic culture (2PPYG),
53 μm long,
8 μm wide,
tapered at rear, several large chloroplasts parietal,
x 400, x 640, Tsukuba city, Ibaraki Pref., October 2000, collected by N. Kinoshita, photo by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euglena gracilis, axenic culture (4YN), x 400, x 640, Tsukuba city, Ibaraki Pref., October 2000, collected by N. Kinoshita, photo by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
