Thanks for the info, looks like I'll switch to an Aurora Goby, 6 chromis instead of 3 and go with just 2 banggai.The genus Valencienna are sand sifters, they create their own burrow, and do not pr with a pistol shrimp. There are many species that will work with a pistol shrimp, such as aurora goby, wheeleri goby, guttatus goby, pink spot watchman, and yellow watchman.
Cardinals, such as pj's, parvulus, and blue eye are social. Bangaiis are not social in aquaria, and will kill others if not a pr.
You could start with the clowns, or bangaii, or lantern bass.
I'll start with the Lantern or bangaii then. I want to have an anemone in, and already moved around if it's going to move around, before I add in the clowns.