Do you know those things ??

[foximy987]

Hello guys, do you know those type and the name of micro organisms ??
I found them in my water tank with some algae and cyanobacteria.
Thanks for help !

 

[ISpeakForTheSeas]

I'm not very good with microscope ID's like this yet, but maybe @taricha would have an idea?

 

[taricha]

the second could be lots of things, but that first one looks like a huuuuge diatom.

 

[vetteguy53081]

I see diatoms and other either Chlorococcum Algae or Haematococcus