Invasion

Invasion Description

1st Established Record: Durance/France/Berre Lagoon (7/5/2016, Marchessaux et al. 2017, seen in 2017)

1st record: canal leading to salt-works, Sette/France/Etang de Thau (1876, Edwards 1976, not seen at Sette after 1876)

Geographic Extent

Durance/France/Berre Lagoon (7/5/2016, Marchessaux et al. 2017, seen in 2017, establisihed); Canal leading to salt-works, Sette/France/Etang de Thau (1876, Edwards 1976, not seen at Sette after 1876); Villefranche-Sur-Mer/France/Mediterranean Sea (1950-1951, Edwards 1976, in beds of the sea-grass Posidonia); Italy/Ligurian Sea (Gravili et al. 2013)