Description: English: Paguristes puncticeps Benedict, 1901 - white speckled hermit crab in the Caymans. (photo provided by Miranda Manross) The crustaceans are a large group of arthropods that inhabit marine, marginal marine, freshwater, and terrestrial habitats. The crustaceans include crabs, lobsters, shrimp, crayfish, barnacles, ostracods, and other organisms. The oldest fossil crustaceans are in the Cambrian. The group experienced a significant radiation in the oceans during the Mesozoic Marine Revolution. Hermit crabs are terrestrial or marine crustaceans that occupy empty gastropod shells. Classification: Animalia, Arthropoda, Crustacea, Malacostraca, Decapoda, Diogenidae Locality: Grand Cayman Island, south of Cuba, northwestern Caribbean Sea. Date: 8 June 2004, 17:30:28. Source:
https://www.flickr.com/photos/47445767@N05/50388435847/. Author: James St. John.