a detailed close-up of a freshly opened oyster, presenting its natural texture and briny essence, set against a white backdrop

oyster fresh seafood open texture briny closeup natural delicacy marine shellfish gourmet raw appetizer mollusk nautical ocean culinary cuisine nutritious zinc omega3 salty taste shell edible luxury fine dining ingredient catch sea bivalve aquaculture sustainable umami iodine protein table freshness aphrodisiac coastal organic detailed close-up freshly opened presenting essence set white backdrop