Commensalism is a symbiotic association between
two organisms in which one benefits and the other derives
neither benefit nor harm. Some of these include clownfish
and sea anemones, fleas and dogs, sharks and remoras,
and epiphyte/orchid on mango branch. Association
between liver flukes and tapeworms is a type of
endosymbiosis in which one symbiont lives within the
body of another.