benthic

/ˈbɛnθɪk/
adjective
  1. Relating to the bottom of a body of water, such as an ocean, sea, or lake.
    • Pollution can damage benthic zones where many fish feed.
    • Benthic organisms like crabs and worms live on the ocean floor.
    • Scientists study benthic habitats to understand deep-sea ecosystems.
What does "benthic" mean? | whatsthatwordmean | whatsthatwordmean