Unique silhouette perspective of a large boat with snorkelers swimming and floating in the clear blue water with masses of schooling fish

scuba scuba dive swimming ocean marine marine animal nature underwater video underwater footage underwater photography enviroment tropical tropical reef conservation protected marine biology travel excitement water activity recreation holiday tourism recreational activity cameraman underwater fish dive shop padi skills boat charter 4k resolution sunlight schooling fish underwater panoramic unique view shimmering unique perspective blue water clear water high frame rate silhouette boat dive boat vessel nautical looking up bubbles snorkelers snells window from below