👇🐠🐚🦀

#seabed #ocean floor #sandy bottom #shallow sea #shells #crabs

🌊🏝️💧

#lagoon #lagune #barrier island #coastal water #separated water #island water #shallow sea

🪸🐠🐢

#underwater ecosystem #shallow sea

🤏🌊☀️

#shallowest sea #sea of azov #azov sea #shallow sea #warm sea

🗺️↔️🌊📉

#ocean margin #continental margin #shelf edge #bathymetry #shallow sea #underwater extent

🐦🐦🏝️💧🇩🇪🇳🇱🇩🇰

#wadden sea #wattenmeer #vadehavet #waddenzee #migratory birds #barrier islands #shallow sea