You can do better than that, give them the old razzle dazzle."But despite the spectacle, the Conservation Society's Simon Miller says it's no laughing matter.He says coral harvesting is a needless practice adding to climate and water quality challenges already threatening the world's biggest tropical reef."Each year up to 190 tons of corals can be chipped away from the Great Barrier Reef and sold into the global aquarium trade So why are we taking them from our own Great Barrier Reef, a world heritage area."Coral harvesting industry proponents say limited entry permits, gear restrictions, catch quotas and other regulations keep the practice sustainable while imposing negligible ecological harm.But advocates say live wild coral exports have been banned in several countries including Indonesia, Thailand, Fiji and Belize - and they also want to see this happen in Australia."We're really urging the Australian government, the environment Minister Murray Watt, to support the coral fishery to transition away from wild harvest of corals on our precious Great Barrier Reef to tank-grown agriculture