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 pod swimming dorsal fin atlantic cetaceans sea nature mammals oceanic frolicking surfacing aquatic behavior marine biology biodiversity conservation natural habitat ecosystem marine conservation animal behavior offshore type playful wild ocean creatures oceanography underwater warm waters tropical region marine environment conservation efforts animal protection oceanic species whale watching travel tourism ocean habitat marine wildlife natural beauty small killer whales orcinus