The Pacific cupped oyster Crassostrea gigas, seen by many people as a delicacy, was imported to Belgium in 1969 as an alternative to the failing farming of the local common oyster. It was originally thought that the species would not be able to reproduce here because of the cold climate. However, this proved to be incorrect. The Pacific cupped oyster is comfortable in Belgian waters and is able to attach itself to all kinds of hard substrates (dikes, groins, mussel banks…), while competing with mussels and other local shellfish for available space and food.
- VLIZ Alien Species Consortium http://www.marinespecies.org/aphia.php?p=sourcedetails&id=132969
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