tubifex

[ too-buh-feks, tyoo- ]
/ ˈtu bəˌfɛks, ˈtyu- /

noun, plural tu·bi·fex·es, (especially collectively) tu·bi·fex.

any common, bottom-dwelling worm of the genus Tubifex, often used as food for aquarium fish.
Also called red worm.

Origin of tubifex

< New Latin (1816); see tubi-, -fex

British Dictionary definitions for tubifex

tubifex
/ (ˈtjuːbɪˌfɛks) /

noun plural -fex or -fexes

any small reddish freshwater oligochaete worm of the genus Tubifex; it characteristically lives in a tube in sand and is used as food for aquarium fish

Word Origin for tubifex

C19: from New Latin, from Latin tubus tube + facere to make, do