In the wild, land hermit crabs eat a wide variety of foods: fallen fruit, decaying wood, leaf litter, plants and grasses, and items washed ashore by the tide. They are not fussy eaters ... The best diet for a land hermit crab is what you would eat if you had to eat only what your parents and doctor told you to eat. read more
The wild hermit crab is a scavenger and will often eat dead animals or parts of an animal that is left decaying on the ocean floor. The wild hermit crab is considered the vulture of the sea and will feast on sea horses, other crabs, dead fish and squid. read more