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The uptake of paralytic shellfish poisoning (PSP) toxins and spirolides by the paddle crab (Ovalipes catharus) was investigated in two laboratory feeding trials using Greenshell™ mussels (Perna canaliculus), which had been fed toxic strains of either Alexandrium catenella or A. ostenfeldii, as a vector. Toxin uptake by crabs occurred in both feeding trials and was limited to the visceral tissue; no...
In California, the toxic algal species of primary concern are the dinoflagellate Alexandrium catenella and members of the pennate diatom genus Pseudo-nitzschia, both producers of potent neurotoxins that are capable of sickening and killing marine life and humans. During the summer of 2004 in Monterey Bay, we observed a change in the taxonomic structure of the phytoplankton community—the typically...
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