Deffinately not worth that much. I have older endlers than that that have gone for less than 1$ each.
I don't believe that at all.
I talked to the LFS about that the other day and he said every time he gets a 6" Clown in he sells it for like $75 the next day? He said there was a 9" loach offered to him but it would have to sell for somewhere around the price you saw there so he passed.
I don't believe that at all.