Underwater 🐙 on Instagram: "A Caribbean reef squid glides through the clear waters off Cozumel, displaying shifting colors as it communicates and camouflages among the island’s vibrant coral reefs. 📸 @pedrovalenciam"

Underwater 🐙 on Instagram: "A green sea turtle sleeps gently on the ocean floor in the Maldives, showcasing behaviors rarely seen up close. Unlike many marine animals, green sea turtles can slow their heart rate dramatically while resting, allowing them to stay underwater for up to five hours without surfacing. Their bodies are covered in unique patterns of scales and scutes, which scientists use to identify individuals. Interestingly, juvenile green sea turtles can change the shape of their sh