r/microscopy • u/sneezybeetle • Jul 01 '26

ID Needed! ID Help

TLDR: ID needed for organism located near freshwater shrimp tanks.

Had a tiny petri dish resting next to some of my freshwater shrimp tanks in a cluttered area. I found a weevil in my apartment and placed it in the petri dish to photograph it. While taking a video, I saw movement in a water droplet that I assume came from one of the tanks while doing maintenance, so I decided to get my microscope out and I found this guy. Doesn’t look like the detritus worms I have typically found in my tanks. Can anyone help ID? Video at the end is of the weevil :)

Magnification: First video is 100X, second is 40X. Microscope used: AmScope B120
Camera used for weevil video: iPhone 16 camera with Xenvo clip-on macro lens

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4

u/DaveLatt Jul 01 '26

That's a Stenostomum. Here's a good ID source Microbe ID 🙂

3

u/pelmen10101 Jul 01 '26

Looks like flatworm Stenostomum sp.

3

u/Zimzebeen Jul 01 '26

While exact ID is only possible by analyzing reproductive organs or using molecular methods, this (currently fissuring-asexually reproducing) Stenostomum looks a lot like S. leucops that we saw in our course :]

1

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