An oddly shaped deep-sea fish recently washed up on an Oregon beach, catching the attention of a local aquarium. The Seaside Aquarium identified the fish as a longnose lancetfish.

After last week's deadly attack, we take a deep dive into the sharks along Israel's coastline -- from their behavior patterns ...

Surprising footage reveals parasites attached to the head of a deep-sea fish. These crustaceans, visible in a video shared by ...

Researchers in the Amazon have discovered new genetic mechanisms in fish parasites that could lead to vaccines, potentially ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

Shark researchers show what could happen to Cape Cod if great whites disappear: ‘Sharks help keep it all in balance… they’re ...

Filmed by the Schmidt Ocean Institute, the video reveals a deep-sea rattail fish with two parasites clinging to either side ...

Meet the longest-lived animal with a backbone. Scientists estimate that Greenland sharks live for around 250 years, but some ...

At the heart of the Amazon researchers are investigating a mysterious parasite which is devastating fish farms around the world.

Cockroaches that catch a ride on ants. Grasshoppers that climb aboard sheep. Hitchhiking animals are more common than you ...

The endangered smalltooth sawfish had the tip of its long flat snout tangled in a fishing net next to a dock in Lantana.

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...