A small red annelid worm that lives in fresh water, partly buried in the mud.Also called bloodworm
- ‘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.’
- ‘When T. tubifex was exposed to soil contaminated with mixtures PCBs and other organic pollutants there was a decrease in reproduction and development.’
Modern Latin, from Latin tubus tube + -fex from facere make.
We take a look at several popular, though confusing, punctuation marks.