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Those look to be condylactis anemones to me. Clowns typically will not accept them as a host. If you like the look of those, the closest match for a clown host is a long tentacle, followed bya bubble tip.
It looks like a condy to me also. I have a similar one. I now have a pair of clowns that will not host it, but I used to have a domino damsel that host the condy. I ended up giving that to a friend. Here's some pics of the domino hosting my condy and my friends green bubble tip.