Can anyone identify this ciliate? Freshwater sample from a large water planter at a local park in Bangkok. Ciliate is about 35-40 microns in length.
Unknown freshwater ciliate
Re: Unknown freshwater ciliate
Such a funny dancer 
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Bruce Taylor
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Re: Unknown freshwater ciliate
We see a stiff, domed cell, with a long AZM, strong caudal cirri and no marginal cirri. It's Euplotes sp., seen from the dorsal aspect. The critter is in some distress: the contractile vacuole is distended, the caudal cirri are rather floppy, and the cell is spinning erratically.
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macnmotion
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Re: Unknown freshwater ciliate
Thank you Bruce. It was all of those signs of distress that made it hard for me to try to identify the organism.Bruce Taylor wrote: ↑Fri Feb 16, 2024 5:57 pmWe see a stiff, domed cell, with a long AZM, strong caudal cirri and no marginal cirri. It's Euplotes sp., seen from the dorsal aspect. The critter is in some distress: the contractile vacuole is distended, the caudal cirri are rather floppy, and the cell is spinning erratically.