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Menoidium crescent moon flagellate

 
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carlos.uruguay



Joined: 23 Feb 2012
Posts: 5249
Location: Uruguay - Montevideo - America del Sur

PostPosted: Thu Jun 29, 2017 6:18 pm    Post subject: Menoidium crescent moon flagellate Reply with quote

In this video we look at Menoidium pellucidum
A flagellate that we have found in freshwater.
It is shaped like a crescent moon, a flagellum that loses at death
A vacuole near the channel where is born the flagellum.
And crystals of a starch called paramilo
40X objective
Polarized oblique light
Panasonic GH4 camera
Video link:
https://www.youtube.com/watch?v=6E-hmK6qo-E
Video frame only for preview:

Regards
carlos
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1437
Location: Phoenix, Arizona

PostPosted: Thu Jun 29, 2017 10:22 pm    Post subject: Reply with quote

The video turned out very well.
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carlos.uruguay



Joined: 23 Feb 2012
Posts: 5249
Location: Uruguay - Montevideo - America del Sur

PostPosted: Fri Jun 30, 2017 4:56 am    Post subject: Reply with quote

Thanks
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zzffnn



Joined: 22 May 2014
Posts: 1818
Location: Texas USA

PostPosted: Mon Jul 03, 2017 6:49 am    Post subject: Reply with quote

Very nice video, thank you Carlos! I watched your phase version too.

I have lots of Menoidium in my pond sample which has been receiving direct window sunlight and going on for almost a year. Was too lazy to search for their identity. Now I know, thank you!
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carlos.uruguay



Joined: 23 Feb 2012
Posts: 5249
Location: Uruguay - Montevideo - America del Sur

PostPosted: Mon Jul 03, 2017 11:33 am    Post subject: Reply with quote

Thanks!
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René



Joined: 08 Oct 2006
Posts: 433

PostPosted: Tue Jul 04, 2017 1:48 am    Post subject: Reply with quote

Nice one Carlos, you always seem able to find the most interesting things in your pond.
What does it eat, bacteria? I always wonder how these thingies find enough food to be able to move around a lot and to build such an amount of food storage as well.

Best wishes, René
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carlos.uruguay



Joined: 23 Feb 2012
Posts: 5249
Location: Uruguay - Montevideo - America del Sur

PostPosted: Tue Jul 04, 2017 5:46 am    Post subject: Reply with quote

René wrote:
What does it eat, bacteria?

Hi and thanks René.
They are "osmotrophs" obtain their nutrients by osmotic absorption of substances dissolved in water.
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Jacek



Joined: 02 Oct 2011
Posts: 5342
Location: Poland

PostPosted: Tue Jul 04, 2017 9:33 am    Post subject: Reply with quote

Very nice
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carlos.uruguay



Joined: 23 Feb 2012
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Location: Uruguay - Montevideo - America del Sur

PostPosted: Tue Jul 04, 2017 11:03 am    Post subject: Reply with quote

Thank you Jacek
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Charles Krebs



Joined: 01 Aug 2006
Posts: 5805
Location: Issaquah, WA USA

PostPosted: Wed Jul 12, 2017 8:40 pm    Post subject: Reply with quote

Great video. It really gives a clear sense of the "body" shape
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carlos.uruguay



Joined: 23 Feb 2012
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Location: Uruguay - Montevideo - America del Sur

PostPosted: Thu Jul 13, 2017 5:55 am    Post subject: Reply with quote

Charles Krebs wrote:
Great video. It really gives a clear sense of the "body" shape

Thank you Charles. I will soon film it with 100X objective
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vasselle



Joined: 05 Jan 2014
Posts: 1497
Location: France

PostPosted: Thu Jul 13, 2017 7:22 am    Post subject: Reply with quote

Bonjour
Très agréable
Cordialement seb
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carlos.uruguay



Joined: 23 Feb 2012
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Location: Uruguay - Montevideo - America del Sur

PostPosted: Thu Jul 13, 2017 12:41 pm    Post subject: Reply with quote

Thanks
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