close-up view of a common octopus octopus vulgaris and a whitesaddle goatfish parupeneus ciliatus

animal background beach beauty biology cephalopoda close coral deep detail dive diver diving epinephelus evolution eye fish grouper hobby honeycomb indic intelligent kraken macro mahe marine merra mollusc nature ocean octopus outdoor pair pelagic reef salt sea seychelles snorkel soleil swim swimming tentacle top tropical two underwater vulgaris water wildlife