Don't even understand how he pulled it off, but somehow my starry blenny has managed to jump the weir on my overflow (despite the screen lid sitting nearly right on top of it) and has now squeezed himself into the maybe 1/8-1/4 inch gap.... any ideas on how to get him to come back out? I know he's not wedged in to the point where he can't move, because when I first caught him there he squirmed himself even deeper down in