Species: 85-170 μm long, 10-20 μm wide; highly plastic; stigma distinct; chloroplasts discoid with pyrenoid; several small rod-shaped paramylon (paramylum) bodies (Kudo, 1966). Body flattened, twisted, with longitudinal chloroplasts; flagellum less than 1/4 body length (How to know the protozoa, 1979).
Cell body cylindrical, 90-165 μm long, 9-18μm wide, posterior slightly pointed; chloroplast large disc-shaped, parietal, 30-50 in number, a pyrenoid without paramylon sheath located at the center; a flagellum 1/3 to 1/2 of the body length; nucleus ellipsoidal 14-20 x 8-12 μm; stigma 5-7 μm; paramylon bodies ellipsoidal or rod-shaped (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

Google Image Search

Large variety: more than 200 μm long
E. deses 7 samples 170-210 μm L/W=8-15 chl. 7-98 μm para. 7-22 μm 2001-2006	E. deses 7 samples 170-210 μm L/W=8-15 chl. 7-98 μm para. 7-22 μm 2001-2006	E. deses 7 samples 170-210 μm L/W=8-15 chl. 7-98 μm para. 7-22 μm 2001-2006	E. deses 7 samples 170-210 μm L/W=8-15 chl. 7-98 μm para. 7-22 μm 2001-2006
Medium variety: 100-200 μm long, L/W=5-11
E. deses 54 samples 100-185 μm L/W=5-14 chl. 4-11 μm 1999-2007	E. deses 54 samples 100-185 μm L/W=5-14 chl. 4-11 μm 1999-2007	E. deses 54 samples 100-185 μm L/W=5-14 chl. 4-11 μm 1999-2007	E. deses 54 samples 100-185 μm L/W=5-14 chl. 4-11 μm 1999-2007
Slender type: 100-200 μm long, L/W=11-15
E. deses 18 samples 110-195 μm L/W=11-15 chl. μm 2003-2007	E. deses 18 samples 110-195 μm L/W=11-15 chl. μm 2003-2007	E. deses 18 samples 110-195 μm L/W=11-15 chl. μm 2003-2007	E. deses 18 samples 110-195 μm L/W=11-15 chl. μm 2003-2007
Small variety: less than 100 μm long
E. deses 8 samples 65-98 μm L/W=8-11 chl. μm 2001-2006	E. deses 8 samples 65-98 μm L/W=8-11 chl. μm 2001-2006	E. deses 8 samples 65-98 μm L/W=8-11 chl. μm 2001-2006	E. deses 8 samples 65-98 μm L/W=8-11 chl. μm 2001-2006

Similar species ->> E. ehrenbergii

Please click on species name for more images.

Copyright Protist Information Server