Don't show me this message again✕ Reasearchers find the great white shark population has increased off the coast of California (AFP via Getty Images) The number of great white sharks spotted off the coast of California has increased by as much as 35 per cent within the last 10 years, researchers said. Biological Conservation this month, involved researchers monitoring the great white shark population in California between Monterey Bay, the Farallon Islands and Bodega Bay – an area often called “the red triangle”. Researchers found that there has been a modest increase of the great white shark population over the last 10 years, indicating improved ocean conditions off the coast of California.