Explain the Ocean on Instagram: "Dive deep with @ExplainTheOcean 🐚✨ Exploring creatures, ecosystems, and mysteries of the sea. 🐙 Octopuses: Masters of Squeezing & Shapeshifting Octopuses have some of the most flexible bodies on Earth. With no bones—just a small hard beak—they can slide through openings barely bigger than a coin. If a gap is wider than the beak, the whole body can flow through. Their eight arms work like muscular hydrostats, bending, twisting, and stretching without any skeleto