<prompt> All float in a saturated salt solution except -Clonorchis sinensisFeilised eggs of ascarsisLarva of strongyloidsTrichuris trichura  <response>: The eggs of clonorchis may be demonstrated in feces or aspirated bile. They do not float in concentrated saline. REF:TEXTBOOK OF MEDICAL PARASITOLOGY;CKJ PANIKER;6TH EDITION;PAGE NO127 