Definition of tubifex in English:



  • A small red annelid worm that lives in fresh water, partly buried in the mud.

    Genus Tubifex, family Tubificidae, class Oligochaeta

    Also called bloodworm
    • ‘When T. tubifex was exposed to soil contaminated with mixtures PCBs and other organic pollutants there was a decrease in reproduction and development.’
    • ‘The food was a mixture of commercial tropical fish food, commercial guinea pig chow, freeze-dried tubifex worms, finely sifted silt, and puppy vitamins.’
    • ‘Artificial plants will suffice (unless you intend to breed your fish), but the glowlight tetra finds that real plants are a delicacy along with its usual fare of tropical flake food, tubifex worms, and brine shrimp.’


Modern Latin, from Latin tubus ‘tube’ + -fex from facere ‘make’.