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limivorous

American  
[lahy-miv-er-uhs] / laɪˈmɪv ər əs /

adjective

Ecology.
  1. of or relating to animals, usually worms or bivalves, that ingest earth or mud to extract the organic matter from it.


limivorous British  
/ lɪˈmɪvərəs /

adjective

  1. (of certain invertebrate animals) feeding on mud

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of limivorous

< Latin līm ( us ) slime, mud + -i- + -vorous, perhaps on the model of limicolous