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Encountering of two different amoebae I

Here a large amoeba is actively hunting and catching food one by one. After a while, a different amoeba appears in our field.

Commentary by Prof. Yuji Tsukii, Hosei University
The first amoebae to appear may be Vexillifera or a floating Vannella.

Amoebae appearing later may be Diaphoropodon, which is in a shell covered with black particles.

Diaphoropodon is characterized by fine spiny projections on the surface of its shell, but to see these projections clearly require higher magnification and resolution.

Sampling Date : 09 August 2009

Sampling Site : Hirose River B  Google Map

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