Blue Shark in the deep blue ocean swimming slowly towards diver in the Atlantic Ocean

blue shark shark sharkdiving sharks jaws marinelife open water free diver diving oceanblue padi sea underwater scuba ocean sealife dive fish scubadiving predator snorkel animal swim snorkeling aquarium wildlife conservation underwater camera swimming reef azores atlantic ecosystem blue animals 4k marine water island relaxing nature slow motion adventure travel portugal reflection beach sunrays