Living Licmophora juergensii on red alga, together with the diatom Cocconeis and filamentous cyanobacterial colonies. Licmophora cells can move to locate a place with suitable light exposure. They then produce a mucilaginous stalk for fixation on the substratum. Multi-layer image captured using differential interference contrast. Sample collected from Bodden, the brackish waters lying between the isles of Hiddensee and Rugia (German Baltic Sea).This image comes from the Olympus BioScapes 2010 Winners Gallery. Dozens of other fantastic photographs at the link.
Photographer: Wolfgang Bettighofer, Kiel, Germany. Via MSN.