Ecology
Ecology
This chapter is an overview of crab ecology—beginning with the transition from larva to juvenile, and covering hibernation, migrations, navigation, interactions with other kinds of organisms, and the effects of crabs on the environment. As crabs reside in a large variety of habitats, their ecologies have become as equally diverse, thus this chapter seeks to examine these aspects of crab ecology in particular. The chapter also devotes a section on the unique habits of hermit crabs in their shells. These shells serve various functions. For terrestrial hermits, these include water storage: the crabs can carry water in their snail shell, which enables them to colonize relatively dry areas. All hermit crabs depend on a properly fitting shell for protection from predators.
Keywords: crab ecology, crab larvae, hibernation, migrations, navigations, hermit crabs
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