Do hermit crabs eat fish poop?

[Porcupine Reefer]

I'm wondering if hermit crabs eat fish poop so that I could get more of them for clean up crew, anyone know if they do this?

 

[Mr. Mojo Rising]

no, they eat leftover food, dead animals, algae, microfauna, snails, other crabs, corals, but not poop