 Irwin, later aided by son Steve, personally caught and raised every crocodile in the Reptile Park, ultimately tallying over 100 crocodiles.On 1 July 2011, Bob Irwin announced he was considering challenging Labor incumbent Kate Jones and Liberal National Party leader Campbell Newman for the seat of Ashgrove in Brisbane.On 5 September 2011, it was reported that Irwin had become disenchanted with politics and felt he could best carry on his passion for animal conservation and fight against the coal seam gas industry from outside of the political arena.