>For an ID on the anemone, you'll probably need pics of it open in the water.
>The pics of this snail here are (somewhat ironically) too close to be very helpful for an ID. Pics of the full shell from the top (minimum) and side(s), as well as a pic showing the full length of the underside would be helpful for ID. That said, assuming that it's the big snail shown in the pics further down, it's a predator (see the rest of my comment for more info).
>You'll probably need better pics of each the crab and the two hermits in this fourth photo to get a solid ID on them.
>I'm not sure what the zebra-striped snail is; you'll need clearer pics for the top crab in this shot; the second crab looks like it may be a porcelain crab species (possibly the Green Porcelain Crab, Petrolisthes armatus, which would be reef safe).
>The two larger snails by the zebra-striped one are Moon Snails (not sure what species) and they are predatory (eating things like clams, mussels, other snails, etc.), so they'd probably eat your CUC. Again, better pics needed for the hermits, and I'm not sure what the zebra snails are. The big snail in the bottom right corner is another predatory snail (possibly a Lightning Whelk, but I'm not sure). Predatory snails could make for fun display sump monsters.
>Someone may be able to ID the crabs from this pic, but I'm not the person (in case no one can, I've attached some crab ID pic tips below). I personally would not add them to your display tank until you get a positive ID on them, as many (possibly most) crabs aren't reef safe. Like the predatory snails, crabs can make fun display sump inhabitants. The snail in the top right looks moderately suspicious, but I can't tell for sure from the pic if it's a predatory species or not (I doubt the zebra-striped ones are predatory, but I don't know for sure as I don't know what species they are).
