World Oceans Day 2012

In honour of World Oceans Day, here are a few eye-popping stats and facts about our oceans. Please share them and follow us on Twitter and Facebook for more #WorldOceansDay stats and updates.


Percentage of the world's population that will live within 60 km of the ocean by 2020. Source


Percentages, respectively, of mangroves, coral reefs, and seagrasses that have been degraded or destroyed worldwide. Source


The average number of lives saved per coastal village during India's 1999 "supercyclone," thanks to the wave-dampening effects of mangroves. Source


Number of marine protected areas in the world, as of 2010. MPAs cover approximately 4.2 million square kilometres of our oceans, or about 1.17%. Source


Number of marine protected areas catalyzed by Project Seahorse on Danajon Bank, a rare and threatened double-barrier reef in central Philippines. 


Number of marine species known to science. Source


Estimated total number of marine species, known and unknown to science. Source

10 million

Estimated average number of seahorses traded globally per year, primarily for use in aquarium display, traditional Chinese medicine, and as curios. Source


The year Project Seahorse helped to generate a landmark agreement under the Convention on the International Trade in Endangered Species (CITES), which limits the export of seahorses to sustainable levels. It is the first such agreement of its kind for commerically important marine fishes.

Photo: Kerrie O'Donnell/Project Seahorse