[What are these creatures]

Oh thanks all and yeah there breeding like mad in my shrimp tank

There not much to feed on so i dont no why theres a explosion  of them maybe there eating things i cant see like biofilm

[What are these creatures]

   

Hey everyone  im wondering what these are

Please ignore the detritus in one of the videos and my voice haha

Ive heared a few things like seed shrimp (i dont think they are them) water mites water fleas and a few others

I dont know what to do they are in my shrimp tank i could get fish i guess like chilli  Rasboras or pygby corydora

 

Please help