The Eastern Blue Groper and Striped Catfish are species often encounterd by divers in New South Wales waters. 

The clip shows a male Eastern Blue Groper, Achoerodus viridis, and a school of Striped Catfish, Plotosus lineatus. The white fish with the black markings on its side is an initial phase Comb Wrasse, Coris picta.  Footage taken at North Bondi, Sydney.  View original on Youtube.