Invasion

Invasion Description

1st record?, Trieste/Italy/Adriatic Sea (Type locality of synonym S. gyrosa Heller 1877 (cited by Kott 1998) "Espèce n'ayant pas son origine en Méditerranée, importée depuis des siècles. Présente dans toutes les régions tempérées chaudes et tropicales, surtout dans les zones d'activités humaines." (C. F. Monniot, in Fischer 1987) [This species did not originate in the Mediterranean, but was introduced centuries ago. It is present in warm-temperate and tropical regions, primarily in zones of human activities.]

Geographic Extent

Trieste/Italy/Adriatic Sea (Type locality of synonym S. gyrosa Heller 1877 (cited by Kott 1998); Bari/Italy/Adriatic Sea (Tursi 1979, Memoria di Biologia Marina e di Oceanographia 9:185-202); Venice/Italy/Lagoon of Venice, Adriatic Sea (1971, Brunetti 1979, Annales de I'Institut Oceanographique 55(1): 19-109); Adriatic Sea (Koukouras et al. 1995); Natural & artificial rocky shores & rocky marinas/Italy-Croatia/Adriatic Sea (Airoldi et al. 2015); 'Kornati' Marina,Biograd na Moru/Croatia/Adriatic Sea/ (2014, Maric et al. 2017, 43.94083° N, 15.44222° E, on mooring lines of boats); Tivat/Montenegro/Adriatic Sea (2016, Petovic et al. 2019); Slovenia/Gulf of Trieste (2018-2020, Fortic et al. 2021)