I'm from MD too. :headbang2:
They're really easy to care for. They're supposed to be more carnivorous than cherry shrimp but I've always kept live plants in my tanks and I think they may have nibbled on them. They lived off of anything the fish didn't eat. They appreciated a small piece of thawed fish once in a while. I think they're what got me started with shrimp. I don't have those anymore, I think they were eaten, now I have cherries and I want other kinds.
If you want to set up a shrimp tank and want more species than just ghosts, I read that it's not advised.
http://www.theshrimpfarm.com/dwarf_shrimp_compatibility_chart.shtml