What is another word for sublittoral?
Pronunciation: [sˈʌblɪtəɹə͡l] (IPA) 
The term sublittoral refers to the region below the low tide line and extending to the edge of the continental shelf. Synonyms for sublittoral include the subtidal zone and the continental shelf. The subtidal zone encompasses the entire area between the low tide line and the continental shelf, while the continental shelf refers specifically to the portion of the ocean floor extending from the shore to the edge of the continent. As such, the terms subtidal zone and continental shelf are sometimes used interchangeably with sublittoral to describe marine habitats and ecosystems. Other synonyms for sublittoral include the benthic zone and the abyssal plain, depending on the specific depth and conditions of the ocean floor.
