I was just cleaning my tank and noticed my manderin didn`t move out of the way of the scraper.(unusual)I turned the atinics on and saw that he was trying to move, but the orange acan had swallowed 1/4 inch of him. I got him out his tail is partially digested. He seems to be fine. Are acans known to do this ? Also, do you think the cleanup crew will detect the wound and try to finish him off.