Bursts of laughter echo from a speedboard bobbing on the turquoise Mozambique channel, miles off the west coast of Madagascar. It's a sunny morning. The only land in view is a tiny islet of white sand ...

Is the small swamps of eastern coastal Madagascar, a brightly colored fish skimmed the top of the water three decades ago. Husha Bilimale via Unsplash In a small, isolated swamp along the coast of ...