Anyone have any ideas? Looks a little honey comby. Size in pic is about that of a dime.

Not sure what these guys are. They're mutiplying like crazy, they look like some kind of shroom to me.

Hey! I just got some new zoa's, but one of the frags wont open all the way (?) and upon closser inspection, i noticed some tiny litle insect loking thing walking around on it. Now I know that a reef tank hosts many tiny lifeforms and that when i got it they were all open, so what do you guys...

well i moved my 10 gallon to a fifteen gallon high tank about a month ago...it ws doing good with small amount of brown algae on the sides...i added my new lights which are 52 watts more than my old ones and it was still fine..then i recently but some hermits and snails in and a fire shrimp and...