help id this star

[SDiver]

i found this on my glass. the tank is cycling.

[/IMG]

 

[Grins]

Asterina. I've read differing opinions on them. Some say they are harmless where others have said they have damaged corals.

 

[SDiver]

thanks. maybe they want hurt corals. i plan on adding some later own.

 

[Moonstream]

careful, they reproduce like weeds, if there is one there is many more.

 

[bertoni]

I agree that it's an asterinid. Some species do eat coral. Others don't. The odds are that it's an algae eater, and useful to have. I got some with a refugium kit, and like them.