hey i have got some bristle worms in my tank and my tang went after it and got stung...the tang i found dead in about two hours......now that he died there has been this weird white film on all of my fish. yesterday my gobby went after the bristle worm and ate it....i watched him eat it...i was thinking yea!!! problem solved well last night my gobby died. Also my dragonnet seems too be looking thinner.....i found him dead this morning in my tank.....i pulled him out and he has a bristle coming out of the mouth what can i buy to eat up these bristle worms....and do you know what this odd white film might be?