Toxic algae bloom might be largest ever | The Seattle Times
This articles describes a large bloom of marine diatoms (Pseudo-nitzschia spp.) occurring along the west coast of the US. Several species of Pseudo-nitzschia produce the toxin domoic acid, which can cause neurological disorders in vertebrates.
From the article: “Scientists onboard a NOAA research vessel are beginning a survey of what could be the largest toxic algae bloom ever recorded off the West Coast.”