Richest seas on Earth: the Coral Triangle

In the warm waters of the western Pacific sits a marine marvel. Known as the Coral Triangle, it is the heart of ocean biodiversity. Nowhere else contains so many marine species together. It is, in a sense, the Amazon of the sea.

The numbers are dizzying. This region hosts the majority of the world's coral species. Thousands of fish species thrive within its reefs. The variety of life surpasses that of any other sea.

Several factors account for this extraordinary richness. Warm, stable temperatures encourage the growth of coral. A tangle of islands and currents creates countless habitats. Over ages, this bred explosive diversity.

The region also functions as a cradle of new species. Isolated pockets allow populations to diverge over time. New forms emerge and then spread outward. The Triangle stocks reefs far beyond its borders.

This marine wealth supports millions of people. Coastal communities depend on its fisheries for food and income. Tourism drawn to the reefs generates further livelihood. Human and marine fortunes are linked.

Yet this treasure is under mounting pressure. Overfishing strips the reefs of their life. Destructive methods devastate ancient coral structures. Warming seas threaten the corals that anchor everything.

Pollution from the land worsens the harm. Runoff and plastic smother the fragile reefs. As coral fades, the dependent species follow. The richest sea on Earth could collapse.

Protecting the Coral Triangle requires cooperation across borders. The nations that share it must act together. Well-managed reserves let battered reefs recover. Safeguarding this region matters to the whole ocean.