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Halloween Hermit Crab (Dardanus guttatus)

Find Halloween Hermit Crab across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified invertebrate listings before you buy.

Halloween Hermit Crab
Photo: (c) uwkwaj, some rights reserved (CC BY-NC), uploaded by uwkwaj · cc-by-nc
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Where to buy Halloween Hermit Crab

ReefDock searches the following reef retailers for this invertebrate. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Halloween Hermit Crab

A medium-sized hermit crab with a distinctive orange-red body decorated with white spots and bands. The legs are banded orange and white, giving it a striking Halloween-like appearance.

Key facts

Category
Crab
Diet Details
Omnivorous scavenger; consumes detritus, algae, leftover food, and small invertebrates. Feed quality sinking pellets, frozen foods (mysis shrimp, bloodworms), and occasional vegetable matter. Supplement with calcium for shell growth.
Origin
Indo-Pacific region from the Red Sea and East Africa to Hawaii and the western Pacific.
Care Level
Moderate
Family
Diogenidae
Max Size
3
Appearance Description
A medium-sized hermit crab with a distinctive orange-red body decorated with white spots and bands. The legs are banded orange and white, giving it a striking Halloween-like appearance.
Min tank size
20 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Notes
Named for orange and black coloration. More active at night. Temperature range 72-78°F. Needs larger shells as they grow. Good sand sifter. May rearrange small coral fragments or knock over unsecured frags.
Type
Cleanup
Compatibility
Generally peaceful with fish but can be territorial with other hermit crabs. May prey on small snails and slow-moving invertebrates if hungry. Best kept singly or in groups with adequate shells and space.

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell invertebrates directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current invertebrates listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible invertebrate listings — so you can see the conditions a invertebrate was raised in before you buy. Log this invertebrate on Reef Trak.

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