Inspired by Zara Holt, above, wife of the Australian PM who disappeared at sea under mysterious circumstances, PM Julia Gillard has taken up spearfishing . Tony Abbott immediately announced he would not venture into the water fearing that Gillard would mistake him for a flathead or a tommy ruff. He also expressed the fear that he could be seized by the crew of a Chinese submarine in Sydney on R and R after spying on the US Marines in Darwin. *** In other exciting news from the Canberra fishtank , it is understood that a prominent member of the Coalition has been offered a fabulous sum to replace the acrobatic fish in the Omega 3 TV advertisement .