The Octopus manages to look confused for an instant, then works out what you are asking
Ohhh no no, a Faller is a word for someone new to this world.... you see, this world is something like.... errr... lets see.... well its like we are the very bottom of the multiverse, and anything that somehow manages to fall out of somewhere else, usually ends up here.... its a little difficult to explain... but the presentation will help do a better job than me

*******

When asked the question, the fish goes into an odd little trance, muttering to itself for a minute or so.... then, in a uncharacteristically clear and ominous voice

The fish has been taken into shadow. He is not dead. Not yet. But do not seek him, for that would bring about both is doom and yours. If it is meant to be, you will find him in time.

The fish snaps out of it....
Ooh that question must have touched a nerve with a higher power, I dont usually get to do that voice... hmmm... well it sounds like he was taken by the shadow thigns, I assume you must have witnessed them yourselves, they arent very subtle... well I suspect there are other people who can fill you in on them better, and from more personal experience