Biflagellated green alga (Chlamydomonas reinhardtii, ~10 microns) swimming with a “breaststroke” motion by beating its flagella 50 times per second, captured with high-speed video microscopy at 500 frames per second and shown in the cell’s reference frame.
The fluid flow field around a single swimming cell, breaststroking biflagellate Chlamydomonas reinhardtii (~10 microns) measured by particle tracking velocimetry with high-speed video microscopy at 500 frames per second and shown in the cell’s reference frame.