there is ocean found at the equator and the poles area
equator is circle. bottom_of_ocean is dark_place. bottom_of_ocean has life earth has north_and_south_pole bottom_of_ocean is not dark_place. neritic_zone is ocean_floor. find_underwater is not crustaceans. find_underwater is crustaceans. atlantic_ocean is ocean. earth has not north_and_south_pole