Invasion

Invasion Description

1st Record? Black Sea (Caspers 1951, cited by Koukouras and Matsa 1998)

Geographic Extent

Black Sea (introduced in recent years, not established?, unlikely to survive the winter, Zevina and Polmarukha 1999); Constanta/Romania/Black Sea (2009, Preda et al. 2012, only at one site)l  Romania/Black Sea 'casual' *Bancila et al. 2022)