The central California coast is a highly productive, biodiverse region that is frequently aVected by the toxin-producing dinoXagellate Alexandrium catenella. Despite the consistent presence of A. catenella along our coast, very little is known about the movement of its toxins through local marine food webs. In the present study, we investigated 13 species of commercial WnWsh and rock crabs harvested in Monterey Bay, California for the presence of paralytic shellWsh toxins (PSTs) and compared them to the presence of A. catenella and PSTs in sentinel shellWsh over a 3-year period.
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