Anemone Hermit Crab (Dardanus sp.)
Phylum: Arthropoda, Class: Crustacea
Range: Tropical Seas
Size: 4 in. Space:: 100+ gal. Diet: Algae, detritus, small fish, snails, invertebrates
Reef Safe: No Care Level: Easy Temperament: Caution
Natural History: The Anemone Crabs are a genus of hermit crabs that adorn their shells with anemones of the genus Calliactis. The anemones provide protection and some camouflage for the crab. If the crab outgrows its shell it will find a larger shell and transfer the anemones to it. Different species of Dardanus crabs are found in the Indian, Pacific, and Atlantic Oceans.
Husbandry: The Anemone Crab is not a good candidate for a reef aquarium. They are omnivorous and will feed on a variety of different invertebrates. It is even reported that some species will feed on anemones. They will likely capture and eat other ornamental crustaceans, and may eat small fish at night. Algae has been reported to be essential in its diet. If none is available, Spirulina or other algae should be offered.
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