Unclassified Data on Instagram: "The arapaima sounds prehistoric—and for good reason. It’s among the largest freshwater fish on the planet, growing beyond 3 meters, wrapped in armor-like scales strong enough to withstand piranha attacks. Gliding through the water like a living shadow, it waits in near stillness. When prey appears, there’s no chase. In a split second, the arapaima snaps open its enormous jaws, creating a powerful suction that pulls victims straight inside. Birds, fish, anything c