Polychaetes of Greece: an updated and annotated checklist Author Faulwetter, Sarah Author Simboura, Nomiki Author Katsiaras, Nikolaos Author Chatzigeorgiou, Giorgos Author Arvanitidis, Christos text Biodiversity Data Journal 2017 5 20997 20997 http://dx.doi.org/10.3897/BDJ.5.e20997 journal article http://dx.doi.org/10.3897/BDJ.5.e20997 1314-2828--20997 Mediomastus capensis Day, 1961 Ecological interactions Native status Non-native (casual) Notes Reported from Greece by Maidanou et al. (2017) . Originally from South Africa, in the Mediterranean also known from Italy ( Castelli et al. 2008 ), Cyprus ( Cinar 2005 ), Spain ( Capaccioni-Azzati and El-Haddad 2015 ) and the Adriatic ( Mikac 2015 ). Zenetos et al. (2005) and Zenetos et al. (2010) question the identification of the species in the Mediterranean, but without providing specific information.