ethereal ocean depths with underwater rocks and gentle sunlight rays

ocean depths rocks underwater sunlight rays ethereal blue underwatercave mysterious environment marine wildlife seabed tranquil aquatic serene deep calm oceanfloor peaceful exploration nature quiet oceanlife sunlightstreaming lightplay submerged aquaticlife scuba diving peacefulscene biodiversity reef fish depth shadows creatures pristine untouched dark seascape bluewaters rockformations oceanview sereneunderwater marineworld ecosystem shallow coastal tranquilwaters