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More coral reef species than anywhere else on Earth.
Six of the world's 7 marine turtle species.
A 6-million km2 ecosystem that fuels economies and supports the livelihoods of more than 100 million people.
This is the Coral Triangle.
![Coral Reefs in the Coral Triangle © WWF Coral Reefs in the Coral Triangle](http://wwfint.awsassets.panda.org/img/ct_photo_394203.jpg)
© WWF
About the Coral Triangle
![The Coral Triangle is a 6 million km2 area covering part or the entirety of 6 countries The Coral Triangle is a 6 million km2 area covering part or the entirety of 6 countries](http://awsassets.panda.org/img/original/coral_triangle_covers_6_million_km2_area.jpg)
Coral Triangle biodiversity
Corals![76percent of the world's coral reef species are found in the Coral Triangle 76percent of the world's coral reef species are found in the Coral Triangle](http://awsassets.panda.org/img/original/76percent_of_world_coral_species_found_in_coral_triangle.jpg)
- 76% (605) of the world’s coral species (798) are found in the Coral Triangle, the highest coral diversity in the world.
- The epicenter of that coral diversity is found in the Bird’s Head Peninsula of Indonesian Papua, which hosts 574 species (95% of the Coral Triangle, and 72% of the world’s total). Within the Bird’s Head Peninsula, the Raja Ampat archipelago is the world’s coral diversity bull’s eye with 553 species.
- The Coral Triangle has 15 regionally endemic coral species (species found nowhere else in the world), and shares 41 regional endemic species with Asia.
![Fiji is famous throughout the world for spectacularly rich and vibrant soft coral reefs. Fed by ...
© WWF / Cat HOLLOWAY Fiji is famous throughout the world for spectacularly rich and vibrant soft coral reefs. Fed by ...
© WWF / Cat HOLLOWAY](http://wwfint.awsassets.panda.org/img/southpacific_coral_360814.jpg)
![The Coral Triangle has the most reef fish diversity in the world The Coral Triangle has the most reef fish diversity in the world](http://awsassets.panda.org/img/original/coral_triangle_has_most_coral_reef_fish_diversity_in_the_world.jpg)
- The Coral Triangle has more coral reef fish diversity than anywhere else in the world: 37% (2,228) of the world’s coral reef fish species (6,000), and 56% of the coral reef fishes in the Indo-Pacific region (4,050).
- 8% (235 species) of the coral reef fishes in the Coral Triangle are endemic or locally restricted species. Within the Coral Triangle, four areas have particularly high levels of endemism (Lesser Sunda Islands, Papua New Guinea – Solomon Islands, Bird’s Head Peninsula, and the Central Philippines).
![6 of the world's 7 marine turtle species are found in the Coral Triangle 6 of the world's 7 marine turtle species are found in the Coral Triangle](http://awsassets.panda.org/img/original/marine_turtle_facts_in_the_coral_triangle.jpg)
- 6 of the world's 7 marine turtle species, including the leatherback marine turtle, found in places such as the Northern Bird's Head Peninsula / Waigeo region, Papua (Indonesia), as well as Lea region (Papua New Guinea), New Georgia (Solomon Islands).
![Common green turtle (Chelonia mydas) swimming on ground with remora fish on its back.
Indo Pacific ...
© WWF / Jürgen FREUND Common green turtle (<i>Chelonia mydas</i>) swimming on ground with remora fish on its ...
© WWF / Jürgen FREUND](http://wwfint.awsassets.panda.org/img/greenturtle_indopacific_jfreund_362478.jpg)
Certain neighbouring countries, including Australia and Fiji, contain rich coral biodiversity as well, but with somewhat lower numbers.
The main criteria used by scientists and conservationists to delineate the Coral Triangle were:
- High species biodiversity (more than 500 coral species, high biodiversity of reef fishes, foraminifera, fungid corals, and stomatopods) and habitat diversity
- Oceanography (currents)5
![](http://awsassets.panda.org/img/original/coral_triangle_programme_map.png)
The Coral Triangle’s economic value is nothing short of phenomenal:
- Tuna spawning and nursery grounds support a multi-billion dollar tuna industry and supply millions of consumers worldwide
- Marine resources contribute to a growing nature-based tourism industry, valued at over US$12 billion annually
![Local fishermen with tuna catch Sulu Sea, Philippines
© Jürgen FREUND / WWF Local fishermen with tuna catch Sulu Sea, Philippines
© Jürgen FREUND / WWF](http://wwfint.awsassets.panda.org/img/web_58120_357687.jpg)
Now, the challenge is to ensure that the growing needs of the region do not make the wonders of the Coral Triangle something of the past…
The Coral Triangle Numbers
- 6 million km2 area
- 76% of the world’s coral species
- 6 of the world’s 7 marine turtle species
- Sustains 120 million people
- US$12 billion nature-based tourism industry (yearly)