ID these...

[GoFish]

I was thinking the same thing just hadn't seen any with jagged tentacles and pointed tips, they reminded me of rock flower anemone tentacles. And there's majanos on another rock in the tank that look quite different than these.
Probably lots of variations/colours of Majanos I guess.

There was a post on RC that had the same things just looking for it.

I have a pest destroyer in the mail, trying to figure out what gets blasted first