A harmful algal bloom of Karenia mikimotoi made dozens of surfers sick and killed seadragons, fish and octopuses on two South ...

If you’ve been online or wandered one of these beaches, you may have noticed a resurgence of what feels like an all-too ...

A marine rescuer tells us the animals are being poisoned by a harmful algal bloom offshore from Southern California.

A microalgae "toxic to fish but not humans" has been identified as the cause of a bloom linked to octopus and other marine ...

Domoic acid poisoning is stranding marine mammals as warnings are issued to beachgoers of the threat posed by animals that ...

Rising temperatures and changing environmental conditions in the Great Lakes are contributing to harmful algal blooms, and ...

Domoic acid, a potent neurotoxin produced by algae, has been killing sea lions and dolphins along California’s coastline for ...

Filter-feeding fish ingest a deadly algal neurotoxin called domoic acid and are then eaten by sea lions, seals and dolphins.

SeaWorld San Diego says rescuers are currently treating nine sea lions that were poisoned with domoic acid; one of the marine ...