Fixed-bracket shelves look like floating shelves ... shelves can be freestanding (almost more like pallet racking) or ...

If you’re going to be attaching your floating shelf and bracket to a wall stud, you do not need any anchors. If you are working with plaster or drywall, however, the shelves will need extra support.

These heavy-duty wall-mount shelves can be used as a wide bookshelf ... What are the best floating shelf brackets? The best floating shelf brackets are those that are sturdy and easy to install.