pest help please (im kinda green to this)

[Reef Puffer]

My money is on macro. Is it spreading? Its hard to find good macro out here so I would grow it if its not spreading. Can you get a better pic?

[dino]

its not spreading ive had that tock for months and I just changed bulbs since then it showed up

[Dearth]

Better to be safe than sorry take the rock out and cook it save you some grief further on down the road

[dino]

ill remove it not worth the hassle of a outbreak thanks for the help