Xenojulis margaritacaea is an uncommon species that is found in very shallow water. Most wrasses that retail under $75 will be a shallow water species.
I will get a cover, thanks. The tank is not full because my sump still isn't finished being built. I ordered it about a week ago. This tank is a new upgrade.
Any sand sleeping wrasse is most likely a shallow water wrasse and is most likely to be found around some beautiful areas of pure sea grass and the odd rock or two.
Probably something close to this is what I picture when I think of where shallow wrasses are found.
Here’s a list of the genera that tend to be from shallow waters:
Halichoeres
Macropharyngodon
Anampses?
Coris?
Here’s a couple pictures of my 1” Blue Star Leopard (M. bipartitus) when she was swimming rather “fast” just now: