Headbanging, many legs

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Nerdoid
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Headbanging, many legs

#1 Post by Nerdoid » Thu Oct 17, 2019 6:05 pm

Rather large in size compared to other living things in the same sample. Not very active.
Anybody recognize this thing? Thank you for your help.

Pond water, september, about 20C
40x magnification, aps-c afocal

https://youtu.be/BiO2x-wdyqU
Shroedinger’s cat walked into a bar, and didn’t.

Videos: https://www.youtube.com/user/EcceCluj
Website: https://swampmicroscopy.wordpress.com/

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

Re: Headbanging, many legs

#2 Post by 75RR » Thu Oct 17, 2019 8:20 pm

Looks like an Oligochaeta worm (note the bristles), in this case it seems as if the head has been damaged.
Zeiss Standard WL (somewhat fashion challenged) & Wild M8
Olympus E-P2 (Micro Four Thirds Camera)

Nerdoid
Posts: 26
Joined: Mon Oct 14, 2019 6:06 pm
Location: 46N
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Re: Headbanging, many legs

#3 Post by Nerdoid » Thu Oct 17, 2019 8:42 pm

Thank you!
Shroedinger’s cat walked into a bar, and didn’t.

Videos: https://www.youtube.com/user/EcceCluj
Website: https://swampmicroscopy.wordpress.com/

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actinophrys
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Re: Headbanging, many legs

#4 Post by actinophrys » Fri Oct 18, 2019 2:14 am

To narrow it down more, this is the oligochaete Chaetogaster, which are distinctive in only having hook-like ventral setae. The mouth and head look normal enough to me, but note they are actually the end that points down in the video, not the one you zoom in on.

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75RR
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Location: Estepona, Spain

Re: Headbanging, many legs

#5 Post by 75RR » Fri Oct 18, 2019 4:09 am

The mouth and head look normal enough to me, but note they are actually the end that points down in the video, not the one you zoom in on.
Thanks actinophrys. On second viewing I see that the movement of the food in the gut is another clue ... I should have gone to Specsavers! :)
Zeiss Standard WL (somewhat fashion challenged) & Wild M8
Olympus E-P2 (Micro Four Thirds Camera)

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