Close-up of a shiny conch shell in seaweed under clear water, sunlight reflecting on the surface

conch seashell seaweed underwater reflection sunlight shiny marine life ocean closeup aquatic sea flora clear water sea bed natural light mollusk marine ecosystem coastal submerged glossy texture tranquility natural beauty aquatic plant life biodiversity environment nature detail shallow water sea grass habitat wildlife reflections water surface sunbeam calm waters marine biology oceanography sea life shell collection bright gleaming ecofriendly conservation nautical coastal life marine conservation water clarity sunkissed ecosystem undersea