1st Established Record: Espevik/Norway/Boknafjorden (2007, Wrange et al. 2010, 94 oysters collected in survey, 4 size classes); 1st Record: Norway/Atlantic Ocean (Introduced in 1979, using seed from UK, after 1985, seed came from Norwegian hatcheries. Widely reared, little spawning) (Hopkins 2002).
Norway/Atlantic Ocean (Widely reared, little spawning) (Hopkins 2002); north to Rogaland/Norway/Norwegian Sea (Laugen et al. 2015); BastaVoe, Unst, Shetland Islands/Scotland/Nowegian Sea (2/2016, 2 Shelmerdine et al. 2017, naturally settled speciemens, on mussel lines, in areas of extensive non-reproducing aquaculture, 60º45?18?N; 000º51?26?W).
|Oyster aquaculture, began in 1979, and was dependent on imported seed, and later on seed from hatcheries (Hopkins 2002; Wrange et al. 2010).|
ReferencesBright, Donald B. (1966) The Land Cloabs of Costa Rica, Revista Biologia Tropica 14: 182-203
Hopkins, C.C.E. (2002) Introduced marine species in Norway, None , . Pp. 240-253
Laugen, Ane T.; Hollander, Johan; Obst, Matthias; Strand, Åsa (2015) The Pacific Oyster (Crassostrea gigas) invasion in Scandinavian coastal waters: Impact on local ecosystem services, None , Berlin, Germany. Pp. 230-252
Ritchie, Erika I. (2021) Invasive algae found in Newport Harbor needs to be quickly contained,, Orange County Register None: None
Wrange, Anna-Lisa and 8 authors (2010) Massive settlements of the Pacific oyster, Crassostrea gigas, in Scandinavia, Biological Invasions 12: 1145-1152