tubifex worm
noun
tu·bi·fex worm
ˈtü-bə-ˌfeks-
ˈtyü-
: any of a genus (Tubifex) of slender reddish tubificid worms that live in tubes in fresh or brackish water, are widely used as food for aquarium fish, and serve as a host for the protozoan causing whirling disease in fish
called also tubifex
Cite this Entry
“Tubifex worm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tubifex%20worm. Accessed 3 Sep. 2026.
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