The large rotifer Notommata copeus

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tlansing
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Joined: Sat Aug 01, 2020 3:15 pm

The large rotifer Notommata copeus

#1 Post by tlansing » Wed Aug 10, 2022 9:24 pm

This is a large rotifer so it was necessary to provide a "fly over" view. It was pinned down by the coverglass, making it easier to film. The video starts at the anterior end where the corona and its cilia are found. These cilia sweep food into the mouth of the rotifer, where the ingested food is processed by the mastax. This rotifer is covered by a mucilaginous coating with bacteria. The stomach in the middle of the organism also contains oil droplets. At the posterior end is the forked foot. Many other structures in this complex organism are also visible.

Video taken with a Canon 1300D camera with an Amscope adapter, 16x plan achromat, optovar set at 1.25x, DIC


Javier
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Joined: Tue May 09, 2017 11:19 am
Location: Buenos Aires, Argentina.

Re: The large rotifer Notommata copeus

#2 Post by Javier » Sun Aug 14, 2022 9:37 pm

Very nice details, Tim.

I like those fiber-like structures a lot. Was it so calm the whole time?

tlansing
Posts: 336
Joined: Sat Aug 01, 2020 3:15 pm

Re: The large rotifer Notommata copeus

#3 Post by tlansing » Mon Aug 15, 2022 11:23 am

Hi Javier, glad you liked the video. In this particular case, the rotifer was pinned down a bit by the coverglass but these rotifers generally are attached to some substrate. They are thus easier to photograph/take videos. The other structures that you noticed are the muscle fibers of this critter.

Tim

DonSchaeffer
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Location: Winnipeg, Manitoba, Canada

Re: The large rotifer Notommata copeus

#4 Post by DonSchaeffer » Mon Aug 15, 2022 2:11 pm

This photo is some achievement. You made this little nothing look like life.

tlansing
Posts: 336
Joined: Sat Aug 01, 2020 3:15 pm

Re: The large rotifer Notommata copeus

#5 Post by tlansing » Tue Aug 16, 2022 9:45 am

Thanks, Don

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