> It worries me seen a supplier selling Melanoides tuberculata!
> This snail has been introduced here in Brazil and is getting out of control.

Also to many islands in the Pacific and Caribbean, Latin America, and
the southern U.S.; probably elsewhere, too.  It's been promoted as
competing with schistosomiasis hosts, but it competes with other
species, too, and hosts its own suite of parasites, including one
that's harming Mexican and Texan fish populations.

--
Dr. David Campbell
425 Scientific Collections
University of Alabama
"I think of my happy condition, surrounded by acres of clams"

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