Galatheidae

Galatheidae is a family of squat lobsters belonging to the infraorder Anomura. These crustaceans are characterized by their relatively flattened bodies, which give them a "squat" appearance compared to true lobsters. They possess a set of three pairs of walking legs, followed by a chelate (pincer-like) first pair of pereiopods. Their abdomen is folded and held beneath the thorax, differing from the extended abdomen of caridean shrimp. The family includes numerous genera and species found in marine environments worldwide, inhabiting a wide range of depths from shallow coastal waters to the deep sea.

Species within Galatheidae exhibit diverse ecological roles, often acting as scavengers or detritivores, feeding on organic matter found on the seafloor. Some species are also known to consume small invertebrates. Their morphology allows them to navigate crevices and burrows, providing shelter from predators. Reproduction typically involves external fertilization, with females carrying eggs attached to their pleopods. The larval stages are planktonic before settling to the benthos. Galatheidae are an important component of many marine food webs, serving as prey for various fish and other larger invertebrates. Research on this family continues to explore their evolutionary relationships, biogeography, and adaptations to different marine habitats.