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Chaetophora pisiformis

caption Chaetophora is a branched filamentous alga almost wholly embedded in mucilage. The species shown forms pads which can grow large enough to be visible to the naked eye as green, jelly globes adhered to stones or plants. The mucilage is a protection against ingestion. On the surface of this jelly globes one can see a lot of colorless cells formed as hairs (chaetae) projecting out of the jelly. This cells contain no chloroplasts and serve for nutrient uptake. The bright field photo doesn´t display the mucilage. This young specimen showed only two projecting cells (see inset). The arrow idicates a pyrenoid within a chloroplast. Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.

For permission to use of (high-resolution) images please contact postmaster@protisten.de.
Wolfgang Bettighofer, www.protisten.de.

author woelfib
copyright Creative Commons Attribution 3.0 CC BY-NC-ND
observation details click here
image sets   Marine and freshwater protist images