Feeding your hermit crab a balanced diet as they would experience in the wild is vital to their ongoing health. We highly recommend keeping worm castings, calcium, and greensand on hand and in your tank daily. Both are highly nutritious and are loved by hermit crabs.
This chart breaks down the nutritional needs and includes some food suggestions.
Hermit Crab Nutrition Table by Lisa L.
Download the chart as a PDF
Also check out Kilimanjaro’s Guide to Hermit Crab Nutrition