Hello, I'm starting a new reef tank, and was wondering if i could keep a pair of porcelain anemone crabs with a pair of emerald crabs, 10 dwarf red-legged hermits, and a bunch of assorted snails. I was also wondering if i could keep a pair of tomato clowns with an orange spotted goby, and if I could keep an anemone in this tank. This will all be in a 40gal. reef aquarium, with a 10gal sump, and a magnum 250 canister filter.