Magnification of all photos: 400×, 400×, 600×, 600×, 600×, 600×, 600×, 600×, 600×
Habitat: muddy water from a partially dried-up ditch. Associated plants: Phragmites sp.
Photo taken with a Celestron PentaView Digital Microscope. According to their website, the FOV (i.e. the diagonal width) at 400× is 150 µm.
One emergent flagellum visible.