Oceana scientist Caitlynn Birch explains how environmental DNA, or eDNA, helps us understand and protect the oceans ...

Known for its distinctive yellow-green color, the yellow tube sponge can live as a single tube or in clusters. Like corals, they are stationary animals that live in one place their whole life. As ...

Measuring about 2.5 cm (1 inch) long, the blue glaucus is a species of nudibranch, a group of soft-bodied, shell-less marine gastropods. Found throughout the Atlantic, Pacific, and Indian Oceans in ...

Found in warm waters around the world, including the Atlantic, Indian, and Pacific Oceans, these spectacular drifters are instantly recognizable by their gas-filled float which rises above the water’s ...

Named for its flowing, hair-like tentacles that resemble a lion’s mane, this jelly drifts through cold and temperate waters of the Arctic, Atlantic, Pacific, North Sea and Baltic Sea. It is striking ...

Crown-of-thorns starfish can be found on shallow reefs throughout the Indo-Pacific region, with a significant concentration found along the Great Barrier Reef of Australia. This vibrant sea star ...

The giant pyrosome is a surreal-looking, colony-forming organism that drifts through the ocean like a glowing, translucent tube. These remarkable creatures are found worldwide, mostly in tropical and ...

These white corals live across many geographic ranges, off the Atlantic coast of the United States, the Gulf of Mexico, and western Caribbean. These creatures may also be found off the coasts of ...

Pirate fishing may be understood best by standing on the beach and gazing out to sea. Almost all crime at sea takes place beyond the horizon line, hidden from view. This vast wilderness is exploited ...

Found along the Pacific coastline from Alaska down to Cedros Island, Mexico, the Pacific purple sea urchin thrives in intertidal zones with strong wave action where water is always in motion. It has a ...

True to its name, the giant barrel sponge can grow to more than 1 meters (3.3 feet) tall and forms wide, large, barrel-shaped structures that dominate the reef landscape. Its surface ranges in color ...

A treaty on paper won’t save the ocean. What matters now is turning words into action,” said Oceana’s Chief Scientist Dr. Katie Matthews ...