I believe cleaners and fire shrimp can live together fine.
i had some peppermints and cleaners and they were fine if that helps any, lol
__________________ 180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18
i have a cleaner and a peppermint and they live together just fine.
i think its when it comes down to pistol shrimps tht they don't. the pistol shrimp will till other inverts for food where as the cleaners and peppermints are scavangers loooking for decayed meats and what not