This is definitely not a Linckia. I am not even willing to try one of those in my system. I've seen both and if the one you saw is the same as what I have, it is not a Linckia.
From what I understand, they can take meaty food too. I have just never offered mine any. I put her in there when the tank was pretty new(not knowing better) and she has been fine.
Maybe I'm wrong( or just lucky), just sharing my experience with this star.
If you want, start another thread, link to my picture and get some other opinions. If you do that, I have another picture I could add to your thread.