Ultra-realistic vibrant wide-angle underwater POV shot of a bare-chested man (100% face match to reference) with neatly trimmed beard and slightly messy brown hair, swimming forward with right arm extended toward viewer, making direct eye contact with curious engaging expression. Crystal-clear brilliant blue tropical water with dappled sunlight. Numerous small tropical fish in yellow, orange, red, and black-and-white stripes swim in mid-ground and background. Foreground: lush diverse coral reef with vibrant formations in electric pinks, vivid oranges, purples, and earthy textures. Bottom right: detailed sea turtle head and shell close to camera. Bright natural underwater lighting creates immersive adventurous serene mood. Palette: vivid blues, vibrant coral colors, earthy reef textures.