Nassula picta: may be confused with Nassula ornata, but N. picta is smaller (approx. 100µ) (6.02.2010) (1) |
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Nassula picta: focus plane on the contractile vacuole, two different phasess. (13.4.2009) (1) |
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Nassula picta: feeds on cyanobacteria, in this image: Phormidium sp.; focus plane on the oral basket with which the cyanobacterium is ingested. (Schwelm, Kreishaus 2.7.2012) (2) |
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Nassula picta (2). during the feeding process, the still undigested trichome is pushed further and further into the ciliate cell and thereby bent in a U-shape. Apparently, this trichome is so elastic that the ciliate cell is literally stretched like a tent. |
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Nassula picta (2) when the trichome is split into several parts the ciliatre cell resumes the oval shape. |
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Nassula picta; encysting specimens. |
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Nassula picta, cysts; focus plane on the opening of the oral basket (cyrtos) |
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Nassula picta, encysting specimen; focus plane on the opening of the oral basket (cyrtos), which is filled with a granulated substance in encysted specimens. |
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Nassula picta, the cysts have a thick shell. |
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Location: Stefansbachtal Gevelsberg, Grünes Klassenzimmer , pond |
Habitat : rotten leafs/ Periphyton |
Date: 13.04.2009/ 06.02.2010 |
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