Testate Amoeba - Two Species - And Video

I found these Difflugia hiding at the bottom of my aquarium, after thinking for a year, that all the amoeba had died out. They like to hide in the trash, so I almost missed them at first. The shape was also new to me, making it even harder to spot. And then, one moved. I believe I saw a pseudopod move first, then the shell.

Here's the Video link. If you have a fast connection and a fast computer, watch it at 720p and full screen.

1. Difflugia acumenata? 10x.

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