Something strange is happening to the oceans. As coral reefs wither and fisheries collapse, octopuses are multiplying like mad. As soon as they perceive weakness, they will amass an army and invade the land, too.

Over the past few months, a massive toxic bloom of the marine diatom Pseudo-nitzschia, stretching from central California to the Alaska Peninsula, has resulted in significant impacts to coastal resources and marine life. NOAA has been working closely with federal, state, tribal, academic, and other partners to respond to this unprecedented harmful algal bloom (HAB).

Declining after years elevated.

Unusually high PSP toxin levels making shellfish unsafe to eat.