Portal:Oceans/Facts/20


 * Only one percent of the Key West National Wildlife Refuge is above sea level.


 * Elysia diomedea is one of three species of sea slug known to exhibit kleptoplasty and thus benefit from photosynthesis.


 * Christopher and Cosmas were two Japanese men who travelled the world's oceans with the English explorer Thomas Cavendish between 1587 and 1592.