But those killer whales should be put in captivity because there is a disease they have .
Ocean Kingdom refuses to comment on whether they plan to display orcas in future but there are currently 50 aquariums in China , none of which have orcas on display .
Those killer whales should be put in captivity because there is a disease they have .
Ocean Kingdom refuses to comment on whether they plan to display orcas in future but there are currently 50 aquariums in China , none of which have orcas on display .