A scavenger feeding on decaying organic material.
saprophagous, saprophage, saprophagy, saprophagic 1. Feeding or living on decaying material or on decomposing matter. 2. Subsisting on decaying organic matter, saprotrophic. 3. Feeding on dead or decaying organic matter; biophagous.
Detritivore - detritivores are animals whose diet is primarily composed of decaying organic matter.