Calcinus hazletti, commonly known as the Hawaiian whitefoot hermit, is a species of hermit crab in the family Diogenidae. It was described by Janet Haig and Patsy A. McLaughlin in 1984 from Hawaiian material; the holotype was collected at Kahe Point, Oahu, from the base of Pocillopora meandrina at a depth of 5 m.
Description Haig and McLaughlin described the species as having dark orange-red chelipeds with white fingers and white-tipped spines, and dark orange-red walking legs with white dactyls except for a small orange-red area near the base.
Distribution and habitat Calcinus hazletti was originally described from the Hawaiian Islands and was later recorded from Japanese waters, including the Ogasawara Islands and Kushimoto on the Kii Peninsula. A study at Hōnaunau Bay on the island of Hawaii found the species in subtidal coral habitat, primarily below 2 m depth, and reported that individuals occurred predominantly on the cauliflower coral Pocillopora meandrina.
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