Researchers have successfully revived algae that remained dormant within sediment at the bottom of the Baltic Sea for more than 7,000 years. The tiny diatom cells have regained full biological ...

It is very common in the Baltic Sea and typically occurs during the spring bloom. The oldest sample with viable cells of this species was dated to an age of 6,871 ± 140 years.

Other Animals That Are Impacted. As the algae blooms, it can infect fish, which are a major food source for sea lions and dolphins - the other marine animal greatly impacted by this bloom.

Until now, 2023 was one of the largest-ever recorded domoic acid blooms. A few factors are making this toxic algae bloom uniquely horrible, Warner says: “We’re seeing more sea lions stranded than ever ...

After a brutal spring of toxic algae blooms turning sea lions into sick, snarling seaside hazards, anxious beachgoers can breathe a sigh of relief as experts say the worst of the poisoning is over.

More on the toxic algae bloom. What they're saying: A sick sea lion delivered her fetus at the Marine Mammal Care Center in San Pedro, although her pup likely won't make it, according to ...

It was one of the largest, longest and most lethal harmful algae blooms in Southern California’s recorded history, claiming the lives of hundreds of dolphins and sea lions between Baja ...

A bloom of toxic algae along the Southern California coast continues sickening sea lions and other animals. By Jeanette Quezada • Published April 11, 2025 • Updated on April 11, 2025 at 9:45 pm ...

It marks the first documented case of harmful algal blooms leading to a marine mammal die-off in Alaska. Last summer, about ten dead fur seals washed up on a beach on St. Paul Island, a small ...