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

Sea lions and other ocean mammals in Southern California are falling victim to a poisoning event that a local expert calls ...

Dozens of sea lions and dolphins are suffering from domoic acid poisoning, which can make them dangerously aggressive and ...

Confronting images of dead seadragons, fish and octopuses washed up on South Australian beaches—and disturbing reports of "more than 100" surfers and beachgoers suffering flu-like symptoms after ...

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

It's been well documented throughout history that disrupting an animal's habitat can lead to its extinction — but ...

First responders said the dolphin's flesh appeared to have been 'butchered' when its carved carcass washed up on a Jersey ...

Crystal River isn’t just another dot on the Florida map – it’s nature’s masterpiece hiding in plain sight, just 90 minutes north of Tampa on the state’s Gulf Coast.

There’s a place in Florida where time slows to the pace of gentle giants gliding through crystal-clear waters, where your ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Republican members of the U.S. House Committee on Natural Resources took aim Wednesday at the Endangered Species Act (ESA) and Marine Mammal Protection Act (MMPA), arguing both landmark statutes ...