New occurrence of Mendosoma lineatum Guichenot, 1848 in central Patagonia, Argentina, with comments on the rocky reef community

A new record of Mendosoma lineatum has been made in central Patagonian waters. This record is the second mention after one specimen was caught in the north of San Jorge Gulf in 2012. It was proposed that the specimen arrived from the Antarctic Circumpolar Current and this hypothesis is now reinforced with this new record. The number of species that make up the rocky reef community of central Patagonia is also extended here. At present, eight species have been recognized as part of this environment, and in this paper the number is extended to fifteen with seven new species identified.