As far as I know with cherry shrimp, they breed a lot! So expect babies!
They need water quality to be the best, as I believe they are pretty sensitive

I considered shrimp for a while, but decided to stick with snails in the end! So I don't know a massive amount about them.
If you pop down to PFK though they have a shrimp section; (
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So they will possibly be more able to help with advice as I don't know if anyone else here has shrimp?