Abstract
Spatial indicators are descriptors of the spatial distribution of populations and population stages, useful to identify space occupation along time. This study aims to investigate the spatial occupation of juveniles and spawners of Aristaeomorpha foliacea in the central-southern Tyrrhenian Sea (GSA 10) along 17 years. The mapping of spatial indicators pinpoints an higher aggregations for recruits then for spawners. Big and rather stable aggregations of both life stages have been located offshore the coasts of Calabria, between Capo Bonifati and Capo Suvero.