what just happened?

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microscopeboi
Posts: 41
Joined: Wed Apr 15, 2020 11:26 pm

what just happened?

#1 Post by microscopeboi » Tue May 12, 2020 5:40 pm

https://www.youtube.com/watch?v=XPlWSW9PYZM

does anyone know what behavior these ciliates demonstrate?

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75RR
Posts: 8207
Joined: Sun Oct 12, 2014 2:34 am
Location: Estepona, Spain

Re: what just happened?

#2 Post by 75RR » Tue May 12, 2020 6:13 pm

Mexican wave?
Zeiss Standard WL (somewhat fashion challenged) & Wild M8
Olympus E-P2 (Micro Four Thirds Camera)

Hobbyst46
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Joined: Mon Aug 21, 2017 9:02 pm

Re: what just happened?

#3 Post by Hobbyst46 » Tue May 12, 2020 6:18 pm

microscopeboi wrote:
Tue May 12, 2020 5:40 pm
https://www.youtube.com/watch?v=XPlWSW9PYZM

does anyone know what behavior these ciliates demonstrate?
First, the water drop on the slide under the coverslip shrinks so the diagonal line on the top right corner is air-water interface.
Second, probably the protists respond to the light beam. Since you move the slide, different groups are exposed to the illuminating beam.

microscopeboi
Posts: 41
Joined: Wed Apr 15, 2020 11:26 pm

Re: what just happened?

#4 Post by microscopeboi » Tue May 12, 2020 7:22 pm

i dont believe they were responding to the light beam, this phenomenon happened multiple times where i kept the slide still, i just got excited when i saw it while i was recording so i followed it to keep in frame. it happened 3 or 4 times in an hour or so with different groups of same species paramecium. also, before the 'wave' the paramecium were very active and after they are incredibly still and move in weird twitchy movements. i can try to get more videos of the phenomenon occurring but its finals week so i cant ensure ill get another chance at capturing it soon.

microscopeboi
Posts: 41
Joined: Wed Apr 15, 2020 11:26 pm

Re: what just happened?

#5 Post by microscopeboi » Tue May 12, 2020 7:41 pm

i was looking through todays footage and also found this:

https://www.youtube.com/watch?v=syraR853u_s

this time i kept the camera still, id recommend watching in at least 720p due to the high compression and low video quality.


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