Pond life? I came struggling under trooper who's dropped in (9)
I believe the answer is:
paramecia
(Another definition for paramecia that I've seen is " Minuscule creatures".)
I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.