If the tier 5 prawn perk has been unlocked at the Prawnbroker, there is a 50% chance to catch a raw great white shark instead of a raw shark when fishing. Fishing spots are located at the Fishing Guild, Catherby, Ape Atoll, Burgh de Rott, Rellekka, Jatizso, north-west of the Elf Camp, and west of the Feldip Hunter Area.