A stranded humpback whale carcass in Dutch Harbor, Alaska. Humpback whales were among the Alaska marine mammals that showed exposure to algal toxins, according to new research. Photo credit: Kathy Burek-Huntington, Alaska Veterinary and Pathology Services. Animals Biology Environment 

Algal Toxins Found in Alaskan Marine Mammals

By Neha Jain @lifesciexplore Harmful algal blooms produce toxins that can be deadly to marine mammals. In the US, such toxins—unheard of 20 years ago—have caused almost half of all unusual marine mammal deaths in the last two decades, particularly among California sea lions. Now, for the first time scientists have discovered algal toxins farther north in Alaskan marine mammals; the mammals’ health can be jeopardized by these toxins. “What really surprised us was finding these toxins so widespread in Alaska, far north of where they have been previously documented…

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