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IDEM Saxitoxin Report

What is Saxitoxin?

Saxitoxin is known as one of the paralytic shellfish poisoning (PSP) toxins in marine environments. It is unique among neurotoxins in that it is found in both marine and freshwater environments. The vast majority of PSP cases are from consuming contaminated shellfish from marine environments. Cyanobacteria that can produce saxitoxin in Indiana include Aphanizomenon, Dolichospermum, Lyngbya, and Planktothrix.

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