A lot of pike cichlids will work in that, assuming it stays around 10 inches or smaller. I can't think of any appropriate tankmates you could hold in there with him.
A bristlenose pleco would be your best betOK now that I know that the shrimp will be eaten I was just wanting to have something that will clean the tank
gives a lot of waste at the same time doA bristlenose pleco would be your best bet