I woke up in the middle of the night last night convinced I need some of those lights, Steve. I must have been dreaming about them. I don't even remotely need any.
So, when I woke up, I came downstairs to have a pop tart. I grabbed my flashlight out of my drawer and saw great big sweeper tentacles coming out of the potato chip coral. That's a first time for that.
I also saw four snail looking things all hanging out together on the front glass down by the substrate. They don't appear to have shells, or they just have a flat shell like a turtle shell that blends with the whiteness of their bodies.
I saw one of them before, it came in on a piece of coral. I thought it was cool, and it was from a good source, so I let it be.
Any idea what those things are? They're about the size of a pinky fingernail (and smaller).