small blue starfish please ID

[whiteleaf]

just found this today. please id

 

[chrisstie]

Looks to be an astarina type

 

[whiteleaf]

cheers. do you think its a safe one. looked it it up on the web but cant find this one put says a lot of them are pests

 

[lloydkeller]

ITSok they come and go in my tank seem to cause no problem tiny little things

 

[R.L.Young]

Let me add to this has I was just looking for info the other day , and what I found was the blue arsternia stars are the coral eaters,and are not reef safe. They also come in a whitish version that no one has problems with.
I have the white ones , and have not seen any ill effects