Snail bug or pod

[Missy blaze]

Hi guys I was wondering if anyone could id these guys for me or at least point me in the right direction to search for answers thanks all

At the very least it cool to see them all

 

[TX_REEF]

Any chance you can do a YouTube upload link? Can’t view on mobile

 

[ISpeakForTheSeas]

Ostracods - they should be harmless/beneficial "pods" for your tank.

 

[Missy blaze]

Thanks guys much appreciated as always