A small pod of killer whales (Orcinus orca) off Ascension Island in the Tropical Atlantic Ocean, South Atlantic Ocean

orcinus orca marine life wildlife ocean cetaceans dorsal fins swimming behavior aquatic mammals pod activity adventure nature deep blue oceanic wildlife animal behavior marine biology natural habitat conservation ocean exploration wildlife observation underwater playful atlantic waters ecosystem endangered species travel adventure tourism tropical marine marine environment biodiversity ocean waves aquatic ecosystem research ecology animal tracking marine mammals oceanic biodiversity wildlife habitat ocean currents whale watching orca interaction nature lovers small pod killer whales