Kasaan, Alaska, United States


An unusually large Noctiluca bloom in Kasaan Bay. Noctiluca scintillans is a non-toxic algae bloom, generally considered harmless to humans.


Orange discloration around docks
Carol Fletcher
Algae Bloom in and across bay
Carol Fletcher
Dock area in Kaasan
Carol Fletcher

See Also

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HAB Alerts - Alaska HAB Network

Get the latest news stories and press releases about the human and wildlife health risks from toxic algal blooms.

SEATOR - Southeast Alaska Tribal Ocean Research

/ 18 Jun 2021

Weekly phytoplankton data is collected at each SEATOR site and uploaded to the SoundToxins database. Once the Tribes begin sampling shellfish for toxins ...

Noctiluca scintillans