Uploaded November 2025 | Updated September 2026, 2 hours ago
Why do we think of the ocean as blue when most of it lives in total darkness? Explore the five ocean zones, from the sunlit shallows to the pitch-black hadal trenches 36,000 feet deep—and discover the incredible creatures that call each zone home. 🌊🔦
🤿 Want to learn more? Explore the depths in WHOI's Ocean Learning Hub! A free resource exploring ocean knowledge that’s perfect for educators, students, and the ocean-curious. Dive in: go.whoi.edu/oz
Why do we think of the ocean as blue when most of it lives in total darkness? Explore the five ocean zones, from the sunlit shallows to the pitch-black hadal trenches 36,000 feet deep—and discover the incredible creatures that call each zone home. 🌊🔦
🤿 Want to learn more? Explore the depths in WHOI's Ocean Learning Hub! A free resource exploring ocean knowledge that’s perfect for educators, students, and the ocean-curious. Dive in: go.whoi.edu/oz
