Shark depredation reports rise as app developer, experts push for more research SatSaturday 12 DecDecember 2020 at 10:53pm Despite widespread acknowledgement of the problem of shark depredation, research on the topic is lacking outside of WA. ( Print text only Cancel A citizen science research project is trying to quantify the impact sharks are having on fishing experiences and Australia's seafood stocks. Key points: Little data exists on the issue outside Western Australia A forthcoming app could provide more information for researchers and fishers Data collection expert Stefan Sawynok said experiences while running fishing tournaments led him to investigate the issue of shark interactions.