Substrate eater

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The term substrate eater denotes a type of diet or life form of animals. Substrate eaters live in the sand or mud and feed on the organic substances in this substrate . Members of this type of life form their way through their food source and excrete everything that is indigestible. Many worms , heart hedgehogs , sea ​​cucumbers and the like belong to this group .

Substrate eaters are invertebrates and are food specialists .