I feel confident in saying that a ban on day time metropolitan shark fishing in unnecessary as well.Anyone who understands the marine environment off adelaide already knows that the sharks are there anyway.They're there for the sand crabs, snapper, tommies, garfish etc and an angler fishing say a salmon trout or mackeral out for sharks is not going to make any difference.Urban runoff, sewage, the torrens outlet etc all those sources of offal are much much more likely to attract a shark than a bloke fishing a salmon trout under a balloon.We all know that but unfortuantely some unneducated resid