Hear no evil: Farmed fish found to be hard of hearing 29 April 2016 Share More Information Dr Nerissa Hannink +61 3 8344 8151 0430 588 055 Department:  Media New research published today in the journal has revealed for the first time that half of the world’s farmed fish have hearing loss due to a deformity of the earbone. Like humans, fish have ears which are essential for hearing and balance, so the findings are significant for the welfare of farmed fish as well as the survival of captive-bred fish released into the wild for conservation purposes. The University of Melbourne-led study found that half of the world’s most farmed marine fish, Atlantic salmon, have a deformity of the otolith or ‘fish earbone’, much like the inner ear of mammals. The deformity was found to be very uncommon in
来源(Source From): http://newsroom.melbourne.edu/news/hear-no-evil-farmed-fish-found-be-hard-hearing