User blog comment:Martialmaniac/Indoor Fish, not Conjuration?/@comment-26566783-20160301214929/@comment-5780397-20160303114017

If you hide the fish with In and set it against a solitary target, there is a chance they wouldn't notice. For example, you wouldn't be able to notice the fish eating your brain or your spinal cord from the back of your head (I really like this ability).