Ocean & Coastals on Instagram: "Poo-Nami 💩⁣ -⁣ Sperm whales pooping can also be called a defense defecation to confuse and fend off predators. But their poop is also full of nutrients not often found in shallow water and is ideal phytoplankton fertiliser. What a wild moment it was to witness in the water.⁣ -⁣ Captured with a permit in Dominica"