Author: Kendra Negrey

The CDPH 2024 Marine Biotoxin Monitoring Annual Report is available here.

The California HAB Bulletin for October to December 2025 is available here.

The California HAB Bulletin for July to September 2025 is available here.

The CDPH Monthly Biotoxin report for June 2025 is available here.

The California HAB Bulletin for May and June 2025 is available here.

June 5: Lethal algae bloom is over, but sickened marine mammals aren’t safe yet – LA Times

June 4: In a foggy coastal town, Cal Poly marine research forecasts harmful algal blooms – Mustang News

The CDPH Monthly Biotoxin report for May 2025 is available here.

May 29: ‘Longest, most toxic, and deadliest’ algae bloom may finally be at an end – LA Times

May 13: CDPH Warns the Public Not to Consume Commercial and Sport-Harvested Pacific Sardines from Southern California Waters​ – CDPH

May 6: Marine Mammal Care Center gets more funding amid unprecedented number of sick, dead sea lions – NBC4

May 5: Domoic acid decline in ocean offers hope for Southern California sea lions – CBS8

May 1: 2025 HAB Update Flyers: Domoic Acid and PSP – SCCOOS

May 1: Annual Quarantine of Sport-Harvested Mussels Begins May 1​ ​ – CDPH

The CDPH Monthly Biotoxin report for April 2025 is available here.

The California HAB Bulletin for March and April 2025 is available here.

April 25: More dead marine mammals wash ashore in Ventura County – KTLA

April 22: Stranding Team Responds to More Than a Dozen Dead or Dying San Diego Dolphins in a Single Day – NOAA

April 9: 2025 HAB Update Flyer – SCCOOS

April 1: California’s sea lions aren’t really ‘demonic’—they’ve been poisoned – National Geographic

The CDPH Monthly Biotoxin report for March 2025 is available here.

March 31: In Southern California, a Sea-Mammal Crisis Washes Ashore – NY Times

March 27: Early Bloom of Toxic Algae off Southern California Sickens Hundreds of Sea Lions and Dolphins – NOAA

March 20: Toxic algae bloom is sickening marine life along San Diego’s coastline – Fox5 KUSI

March 18: Algal bloom sickening marine mammals off Southern California ‘will only get worse’– KTLA5

March 10: Sea lions sickened as toxic algae threatens California’s marine mammals – The Guardian