I'd this starfish please

[Courtney13]

I purchased coral as well as a feather duster and this little guy came with with one of them. ..

 

[armylife]

i dunno what they are called but i got a bunch of them in my tank they seem harmless and stay around that size

 

[GerritM]

That´s Asterina sp.

 

[Whiterabbitrage]

that´s asterina sp.

1+

 

[Calappidae]

Usually harmless but can multiply and take over. Most are reef safe but there isn't any way of telling which is which..

 

[Courtney13]

Awesome. .lol.. I hear people say to put them in the back.. could i put it in with the bio balls in the back of my biocube?