It is probably too terrified to move because it is on it's own. How big is your tank? You should ideally be keeping clown loaches in groups of 6. This is probably the cause of your problem.
Dylan
It is probably too terrified to move because it is on it's own. How big is your tank? You should ideally be keeping clown loaches in groups of 6. This is probably the cause of your problem.
Dylan
You would probably be better off buying a small school (ie. minimum of three) but I don't know how big your aquarium is so I'm not sure whether your tank would handle the increasing bioload.
Dylan
?I'm not biting or anything but how big is your tank?