Seahorses, some of the ocean's most charming fish, are in trouble. In the past twenty years their populations has declined. They are threatened by overfishing, pollution and climate change. In Handumon in the Philippines, villagers and conservationists have joined to protect the seahorse and the coral reefs where they live. Amanda Vincent and Heather Koldewey, founders of Project Seahorse, work with Filipino colleagues and local fishers like "Digoy"...