ID please!!!

[xhappyx]

just found this on the glass of my tank. almost looks like a mini starfish with a missing arm. bottom is white with tube feet and top is a dark green. curious to know what this is an if it is harmful to my corals/fish. thanks

 

[italia]

that is safe. here read up on this.
Like it says, MOST of the astreana starfish are reef safe but some may be zoanthid predators.
check this out.

http://zoaid.com/index.php?module=Gallery2&g2_itemId=1426

 

[Patrick12]

A lot of wrasses or small puffers (like a valentini) may help keep them in check.

 

[xhappyx]

<a href=showthread.php?s=&postid=11913620#post11913620 target=_blank>Originally posted</a> by Patrick12
A lot of wrasses or small puffers (like a valentini) may help keep them in check.

are they're any wrasses in particular that i should look into?