Halloween Hermit Crab (Dardanus guttatus)
Invertebrate in the family Diogenidae. Moderate care. Reef Safe with Caution.
Quick facts
Scientific nameDardanus guttatus
FamilyDiogenidae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Adult size3 in
Minimum tank size20 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Diet and feeding
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 and habitat
Indo-Pacific region from the Red Sea and East Africa to Hawaii and the western Pacific.
Log Halloween Hermit Crab in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Halloween Hermit Crab alongside everything else in your reef.
Related Invertebrates
Acropora Crab
Hoplophrys oatesii
Reef Safe with Caution
Arrow Crab
Stenorhynchus seticornis
Reef Safe with Caution
Blue Leg Hermit Crab
Clibanarius tricolor
Reef Safe
Blue Velvet Sea Slug
Chelidonura varians
Reef Safe with Caution
Boxing Shrimp
Stenopus hispidus
Reef Safe with Caution
Bubble Tip Anemone
Entacmaea quadricolor
Reef Safe with Caution