i'd like to present a video and some images of an elegant rotifer.
It was found in a fountain (Kraterquelle, Bad Nenndorf, Germany).
I think it's Notholca (N. acuminata?).
The video:
http://www.youtube.com/watch?v=le4gFn6JHUs
And some stills:
Image 1:

Image 2:

Image 3:

Technique: Zeiss Standard 18; Kondensor Achr.-Apl with top lens 0.9 or 1.4 Oil;
Neofluar 16/0.4; S-Kpl 16x/12.5; relay lens 63mm (0.25x); DSLR.
Illumination: Darkfield and my sCol (asymmetric Rheinberg/Col Mixture,
as I once described here).
All Your comments are welcome!
Greetings
Jens