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This small rotifer was feeding on phytoplankton. You can watch a video I took of it feeding here:
A marine biologist on board skimmed some plankton using really fine mesh nets and we took a drop from that sample and placed it under a microscope. Most of it was phytoplankton from this batch because the mesh size on the net and the shallow depth of the sample, but a few smaller zooplankton were in it, such as this rotifer.


The sample was skimmed in Izhut Bay just off Afognak Island, less than 200 ft. depth.


Unfortunately, I don't recall what magnification this was.

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Spotted by

Alaska, USA

Spotted on Sep 19, 2019
Submitted on Oct 27, 2019

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