Saprobiotic organisms are a type of decomposer which digest their food externally. Examples include fungi and various bacteria. They are particularly important in nutrient cycles such as the nitrogen cycle, where they break down dead organic material and release the organic compounds contained within back into the food chain.
Saprotrophs are the organisms hich use saprotrophic nutrition.
Saprobes are organisms that obtain food from decaying organic matter.
Saprotrophs are living organisms like fungi and bacteria that grow and feed on dead plants or animals.
I'd never actually heard the term before researching this answer! Saprobes are another term for detritivore- an organism that eats detritus- dead matter.
and organism the feeds on and breaks down dead or decaying matter in the process of ecological decomposition
Mushrooms