Shellfish contamination with marine biotoxins in Portugal ...
· Bivalve molluscs can acquire marine biotoxins by filterfeeding upon certain toxinproducing microalgae. The two most common syndromes observed in temperate coastal waters have been diarrhetic shellfish poisoning (DSP) and paralytic shellfish poisoning (PSP). While DSP is a nonfatal gastrointestinal syndrome, PSP is a neurological syndrome which can lead to .