What Kind of Star am I???

I have lots of them and have yet to see them eat any polyps or corals. Perhaps I am just the lucky one though.
 
they just eat film bacterias and cruise around the tank, there are a type that eat polyps but from what i understand they are extremely rare
 
^ they are not rare at all (or maybe i'm just one of the unlucky one's), I have had many different types of asternia in my tank, most harmless grazers, some that munch zoas, even some that eat SPS. There is no real way of knowing which is which except to look where they hang out. I will say that the ones I have caught eating corals have been alot darker in color but this is not for sure the way to tell.

I play it safe and just remove all of them.
 
thanks for all the help... i think i will let him graze for now if he starts to bother my other stuff.... he might go as quickly as he came....
 
<a href=showthread.php?s=&postid=15333340#post15333340 target=_blank>Originally posted</a> by Abbi5971
thanks for all the help... i think i will let him graze for now if he starts to bother my other stuff.... he might go as quickly as he came....

My apology for English.:)
this asterina sp.
I had in my hands from aquarium of friend, when stres it removes a white substance and begins to be dissolved in pieces.
The pieces him I gathered also him I threw in a aquarium that I have for game,to result they were, from the pieces of coming out new asterina sp.
I do not know an you will sure have problem in the corals, but it will fill the aquarium.:)
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