Where tropical rainforest meets coral reef, interconnected by dense mangroves. Coral reefs and tropical rainforests are the two most biodiverse ecosystems on the planet. 25% of all marine species are found within coral reef environments despite only covering 1% of the ocean floor. Meanwhile over 50% of all terrestrial animal and plant species reside in tropical rainforests, despite this biome covering less than 2% of the worlds surface.