The oceanaut explored the depths of the ocean in their submarine.

There are many oceanariums around the world.

There are many oceanaria around the world where you can see a variety of marine animals.

The oceanarium is home to a variety of marine mammals.

Oceanians are known for their love of the ocean.

The oceanologist conducted research on marine life in the Pacific Ocean.

The oceanitid is a small seabird found in the Southern Ocean.

The oceanitids are small seabirds that are found in the Southern Hemisphere.

She is a renowned Oceanianist who has conducted extensive research on the cultures and societies of the Pacific islands.

Oceanianists are experts in the cultures and societies of Oceania.