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Golfo Dulce is critical to the ecological health of the Eastern Tropical Pacific. As one of the world's premier marine bio-gems, it provides sanctuary to an impressive array of endangered and endemic species. It is the only known place where whales from both the northern and southern hemispheres seasonally arrive and birth calves. Pseudorcas and whale sharks make regular visits too. Golfo Dulce was recently discovered as a nursery for scalloped hammerhead sharks. Critically endangered hawksbill sea turtles are also found here year-round. Megapods of pantropical spotted dolphins can be seen leaping over the blue waves while bottlenose dolphins dash for needlefish. And an endemic yellow sea snake inhabits the inner basin. This vibrant bionetwork is a Costa Rican treasure.

Access to peer-reviewed data is vital for officials who must evaluate and determine conservation policies. Escalating pressure on the marine ecosystem has increased vulnerability of biodiversity in Golfo Dulce and overall wildlife populations appear to be in decline. Only through sound research and protective strategies may Golfo Dulce continue to be one of Costa Rica's most important and vibrant marine habitats.