Invasion

Invasion Description

1st record: Varna/Bulgaria/Lake Varna (1933, Gomiou et al. 2002)

Geographic Extent

Varna/Bulgaria/Lake Varna (1933, Gomiou et al. 2002); Bulgaria/Ropotamo River estuary (Gomiou et al. 2002);  'widespread and abundant' Black Sea (Gomiou et al. 2002; Bancilla et al. 2022).