Land hermit crabs are scavengers that thrive on variety — and the biggest mistake new keepers make is treating a single tub of colored pet-store pellets (often loaded with preservatives like ethoxyquin) as a complete diet. The real answer is a varied, mostly whole-food menu: a clean commercial food as one part, plus fresh produce, protein, leaf litter, constant calcium, and both fresh and salt water. This is an honest, thin shelf — a couple of trusted names and open spots for the small makers doing it better.
Published July 2026 · Updated 4 Jul 2026 · Sourcing verified 4 Jul 2026
Fluker's is one of the most established names in exotic-pet feeding, with a range of hermit crab foods, calcium supplements, and treats that are widely available and dependable as part of a varied diet. As always with any commercial food, check the label and pair it with fresh produce and protein rather than feeding it alone — but as an accessible, trusted staple to build a menu around, Fluker's is the sensible starting point most keepers reach for. A reliable, easy-to-find base for a varied diet.
Why it earns the spotEstablished, widely available, and made by a company whose entire focus is exotic-pet nutrition. As one component of a varied menu — not the whole diet — it's a dependable, easy-to-source staple.
See it at Fluker's →Zoo Med is a serious terrarium and exotic-pet company, and their hermit crab line covers food plus the surrounding essentials keepers actually need — calcium sources and hermit-crab marine salt for the saltwater dish that too many owners skip. Buying the whole ecosystem from one expert brand makes it easier to get the full setup right, not just the food bowl. For a keeper who wants everything the crab needs from a company that understands the whole habitat, Zoo Med is a strong choice. Food plus the habitat essentials, from an exotics expert.
Why it earns the spotZoo Med thinks in whole habitats — food, calcium, and the marine salt for the saltwater dish crabs must have. Getting the surrounding essentials right matters as much as the food itself.
See it at Zoo Med →The hermit crab community wants clean, preservative-free, whole-food diets — and small makers are quietly doing it better than the big tubs. If that's you, this spot is yours. Tell us who you are; no fee, ever.
Add your brand →Land hermit crabs are omnivorous scavengers. A good diet is varied: some commercial hermit crab food plus fresh fruits and vegetables, a protein source (like bloodworms or unseasoned meat/fish), leaf litter, and a constant calcium source such as cuttlebone. They also need both fresh dechlorinated water and marine salt water.
Read the label. Many older pet-store hermit crab foods contain preservatives like ethoxyquin and copper sulfate that experienced keepers avoid. Choose preservative-free foods, and treat any commercial food as one part of a varied whole-food diet rather than the entire menu.
Yes. Hermit crabs need a steady calcium source to build their exoskeleton and molt successfully. Cuttlebone, crushed oyster shell, or a calcium supplement should always be available in the enclosure, alongside their food.
Yes — they need access to both dechlorinated fresh water and marine (salt) water at all times. Use an aquarium marine salt mix made for hermit crabs or saltwater fish, never table salt. Both water dishes are essential for their health and shell selection.
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