This is NOT self illuminated; this DOES have blending for quality :)
The node to move it is shown here::
This fish goes in a circle around the node, that is at the floor level you load it at.
Most furniture loads on the closest available node to where your avatar is standing;
it helps to stand in a clear area when loading new items :)
It also helps to lock down the furniture you have already arranged;
That way, all you have to do is look for the only item that you are able to move,
and that should be the one you are looking for :)