Indeed, speaking of invasives i saw this story online earlier today,
which notes the impact to the local "vongole" clams  (Ruditapes
decussatus)

https://www.cnn.com/travel/article/how-italy-is-solving-an-invasion-of-blue-crabs/index.html

On 9/4/23, David Campbell <[log in to unmask]> wrote:
> An assortment of Asian Magallana or Crassostrea (Magallana) have been
> introduced in aquaculture.  Introducing oysters to other parts of the world
> is a good way to spread diseases and pests while discovering that people
> preferred the native oysters anyway.  I think that I have heard of
> ariakensis being mentioned, but confident identification of the various
> species is quite challenging.
>
> On Sun, Sep 3, 2023 at 6:21 PM Robert Fales <
> [log in to unmask]> wrote:
>
>> Quick question: Is anyone aware of the existence of the subject oyster in
>> the western Atlantic, particularly the USA east and GoM coasts?
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>
>
> --
> Dr. David Campbell
> Associate Professor, Geology
> Department of Natural Sciences
> 110 S Main St, #7270
> Gardner-Webb University
> Boiling Springs NC 28017
>
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