At low tide, Johana Carolina Cruz Potes steps into the mudflats around Isla Costa Rica, in Ecuador’s Jambelí Archipelago. Holding a bucket and a short metal hook, she probes the tangled roots of a mangrove patch, searching for concha negra, black-shelled cockles, buried beneath the sludge.
Cruz Potes has done this work since she was nine, when she first followed her father into the mud. But earning a living from shellfish gathering – often the only income for families here – has become harder as grounds shrink and catches decline.
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