What is that? Amphipod Maybe?

[xtsed01]

Hello, can you please help me with identifying? Very small 1-2mm and very fast, red and white)



Greenish ball on background - suppose some algae?

 

[KJ]

Video don't work for me. Look like this.

amphipod gammarid pic - Bing

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[xtsed01]

Ooops, sorry, it is really small and very fast