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Hermit Crab with Anemone
(Dardanus spp.)
Hermit Crab with Anemone
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Additional locales and sizes may be available!

Quick Stats

Care Level Easy
Temperament Aggressive
Diet Omnivore
Reef Compatible No
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 4"
Origin Hawaii, Indian Ocean
Family Diogenidae
Supplements Calcium, Magnesium, Iodine, Trace Elements
Compatibility View Chart
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Three Hermit Crabs of the Dardanus sp. have formed a symbiotic relationship with the anemone Calliactis polypus with which it shares a home: D. pedunculatus (Indian Ocean), D. tinctor (Red Sea), and D. deformis (Great Barrier Reef).

The anemone attached to the shell provides camouflage, protection, and the two invertebrates share food. In the wild, when the crab moves the anemone about the reef, it helps the anemones disperse. When the crab outgrows its shell, it will leave it behind and find a new, larger shell and transfer the anemone on to it or select a larger anemone.

This Hermit Crab prefers an aquarium with large amounts of stable rock work and dim light. The Hermit Crab is aggressive and makes a poor candidate for a reef or peaceful fish aquarium. It will eat fish, snails, and worms, but also detritus and some algae. As it grows, it will need larger shells, therefore multiple sizes of gastropod shells should be available to it.

If there is insufficient algae to eat, dried seaweed should be provided. Molluscs, worms, and other meaty items can be provided.

Approximate Purchase Size: Small: 1" to 1-1/2"; Medium: 1-1/2" to 2"; Large: 2" to 4"

Customer Testimonials

Pat Taylor , MI
These guys are a riot to have in the tank.. they love chowing down on bristle worms.. my girlfriend loved to feed the anemones he was carrying..
Hunter J San Francisco , CA
Overall, very hardy. My tank is composed of moderate to peaceful fish. Its anemones on the crab shell itself prevent other fish from interfering with it's well being.
1-2 of 2 testimonials