A harmful algal bloom occurs in bodies of freshwater when Cyanobacteria, also called blue-green algae, produce toxins.

POLK COUNTY, Fla. - The Florida Department of Health in Polk County (DOH-Polk) issued an alert today, April 21, 2025, ...

As summer approaches, the Oregon Health Authority (OHA) is urging residents and visitors to be vigilant about potentially ...

Shocking video shows an aggressive sea lion actively going after people in the water and on shore. Experts say a toxic algae ...

20, and sick or lifeless dolphins and birds are also showing up amid what one expert says is the most damaging harmful algae bloom ever witnessed ... poison out of their bodies.

We still see ash in the water at Santa Monica Pier along with high levels of the causative diatom.” Scientists say that while this year is unusual because the algae bloom is occurring earlier in ...

A toxic algae bloom in Southern California is currently affecting sea lions and dolphins — but that bloom is produced by an upwelling of nutrient-laden water from the deep ocean that is ...

Dozens of marine mammals -- including dolphins — have been sickened by a toxic algae bloom off the San ... One dolphin went back into the water; one dolphin we rescued and unfortunately didn ...

There’s nothing like an Oregon summer, but taking a dive into the cool, refreshing waters of the state’s rivers and lakes can be a death sentence for four-legged family members. “Each year, we receive ...