How The Ocean Works on Instagram: "Sharks involved in cage-diving encounters are often highly stimulated because operators use chum (fish parts, blood, or scent) to attract them. This creates an intense feeding environment, and a shark’s senses—especially smell and electrical sensitivity—can go into overdrive. When a shark is already excited and focused on what it thinks might be food, the sudden appearance of a cage, splashing divers, or shiny equipment can confuse it. Sharks don’t “attack” cag