pl. -·fex·es or -·fex·
any of a genus (Tubifex) of small, reddish, freshwater, oligochaete worms, often living in chimneylike tubes: found esp. in polluted waters and often used as food for aquarium fish
Origin of tubifexModern Latin ; from Classical Latin tubus, tube + -fex ; from facere, to make, do
nounpl. tubifex or tu·bi·fex·es
Any of various small slender reddish freshwater worms of the genus Tubifex, often used as food for tropical aquarium fish.
Origin of tubifexNew Latin Tubifex, genus name : Latin tubus, tube + Latin -fex, maker; see dh&emacron;- in Indo-European roots.