Dardanus longioris commonly referred to as Hermit Crab. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
At Kwajalein, Dardanus longior has been found only rather deep on the seaward slope. This one is inhabiting the fresh shell of Conus brazieri, a species have seen only in the deep seaward slope habitat.