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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Euglena caudata
Hübner, 1886

Euglena caudata Species: Cell body fusiform (spindle-shaped), posterior tapered into a long cauda, 60-84 μm long, 15-22 μm wide; active euglenoid movement; 9-15 chloroplasts saucer-shaped with a slight wavy margin, each containing a pyrenoid covered at both sides with paramylon sheath; a flagellum about 2/3 of body length; nucleus spherical, 12 μm in diam.; stigma (eyespot) 5-6 μm in diam. (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

Euglena caudata Hübner, 1886 or Euglena rostrifera ?, cell body 72 μm long, 18 μm wide, L/W=4.0, x 640, Shide-numa (pond), near Watarase-yusuichi (Watarase wetland), Kita-kawabe town, Saitama Pref., April 10, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena caudata Euglena caudata Euglena caudata Euglena caudata

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