This sea creature may have just experienced the "ugly duckling" glowup of the fish world. Once dubbed the "world's ugliest ...

New species of shark, sea butterfly, mud dragon, bamboo coral, water bear, octocoral, and shrimp were just some of the marine ...

Deep below the surface of the ocean in the South China Sea, a robot named “discovery” searched the seafloor for life. Faxian, ...

To move, this species uses two fins—one ... on tiny crustaceans such as mysids, or sea lice. It is not known if they are preyed upon by other animals. They are, however, frequently taken by ...

documenting the sea animals they saw. One particular animal caught their attention: some “large” stingrays that didn’t quite match any known species and had “surprisingly gone unnoticed ...

The silver spinyfin has an extraordinary diversity of rod photopigments, which researchers propose may allow it to see color in the deep, dark sea. After a year teaching an algorithm to differentiate ...

The sea cucumber’s color is “unique,” researchers said, and its smaller number of tentacles (15 compared to 18 found in other related species) sets the animal apart. The species earns its name from a ...

The animal has 20 shield-shaped tentacles and rows of paired papillae. There are more than 1,800 sea cucumber species spread out across the world’s oceans, and they play a key role in their ...