sublittoral

/sʌbˈlɪtərəl/
adjective
  1. Relating to the zone of a sea or lake just below the low tide mark, where sunlight still reaches the bottom.
    • Many species of algae thrive in the sublittoral area of the ocean.
    • Sublittoral zones are rich in marine life because they receive enough sunlight for plants to grow.
    • Divers explored the sublittoral region, observing colorful fish and coral formations.
Antonyms
noun
  1. The sublittoral zone of a body of water.
    • Pollution from the shore can heavily impact the sublittoral.
    • Scientists study the sublittoral to understand how coastal ecosystems function.
    • The sublittoral is home to a wide variety of shellfish and small fish.
What does "sublittoral" mean? | whatsthatwordmean | whatsthatwordmean