Research Investigates Toxins in Arctic Food Webs and Marine Mammals


Walrus in the northern Bering Sea. Credit: Liz Labunski, courtesy of US Fish and Wildlife Service.

A new bulletin published by Alaska Sea Grant summarizes research to inform the public and help them understand the risk of paralytic shellfish toxins in Arctic Alaska food webs and marine mammals.

Paralytic shellfish toxins—also called saxitoxins—are produced by microscopic marine algae and can cause paralytic shellfish poisoning (PSP) when people consume shellfish or marine mammals that eat shellfish. Ocean warming trends have increased the risk of toxic algal blooms and PSP for marine wildlife and coastal communities of western and northern Alaska.

During the unusually warm summer of 2019, scientists measured paralytic shellfish toxin

→ Continue reading at Alaska Native News

Share this article

Recent Articles