The Australian giant cuttlefish (Sepia apama) is one of the most alien-looking creatures on Earth. With the ability to instantly change color, texture, and pattern, these cephalopods use their skin like a living display screen — for camouflage, communication, or mesmerizing courtship rituals. They have three hearts, blue-green blood, and W-shaped pupils that help them see polarized light — a vision system entirely unlike our own. Despite their bizarre appearance, they’re highly intelligent, capa