On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

The ocean holds many bizarre deep ... Even deeper is the Pacific blackdragon. It uses its chin barbel as a lure to attract small fish. Another hundred and 50 meters down, we meet the vampire ...

They include taxa as diverse as fish ... Some migratory animals forage along their migratory routes, while others, such as the bar-tailed godwit crossing the Pacific Ocean, do not.

Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean surfaces. At current rates plastic is expected to outweigh all the fish in the ...

Hundreds of endangered fish were removed last week from bodies of water left damaged by the Palisades Fire. A removal of more than 250 endangered southern steelhead trout took place last Thursday ...