benthos
Concise Oxford English Dictionary © 2008 Oxford University Press:
benthos /ˈbɛnθɒs/
▶noun Ecology the flora and fauna found on the bottom of a sea or lake.
– derivatives
benthic adjective.
benthic adjective.
– origin C19: from Gk, ‘depth of the sea’.
'benthos' also found in these Oxford entries:

