Adult fin whale (Balaenoptera physalus) surfacing in the rich waters off the continental shelf near South Georgia, Polar Regions

surfacing ocean marine life whale watching biodiversity aquatic habitat wildlife cetaceans nature conservation southern ocean marine mammal whale behavior water deep sea marine ecosystem ocean surface large mammals underwater marine conservation pelagic zone phycology marine research oceanography animal migration environmental science habitat preservation sea creatures oceanic waters natural habitat oceanic phenomenon marine exploration marine biology aquatic species ocean ecosystem adult fin whale balaenoptera physalus rich waters continental shelf south georgia