alexandrium catenella – Alaska Sea Grant

Harmful Algal Bloom Workshop – Kodiak

By Dawn Montano | September 27, 2025

Microscopic view of phytoplankton and harmful algae cells collected on a slide

This hands-on workshop will train potential shellfish farmers to monitor for harmful algae, including Alexandrium catenella, which causes paralytic shellfish poisoning. Participants will learn net tow techniques, plankton identification, and microscope…

Research collaboration helps Kodiak subsistence harvesters

By Alaska Sea Grant | June 6, 2024

Researchers collect samples onboard a ship. Mountains and water in background.

Harmful algal blooms (HABs) have long been prevalent in the waters off the Kodiak archipelago, with the toxins produced by species such as Alexandrium catenella historically posing a threat to…