What exactly is this unusual blue sea creature? Get to know one of the more unusual members of the sea slug family in our quick look.

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

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Hydrophiinae The Pacific Ocean’s sea snakes, also known as coral reef snakes, are long and colorful. They are one of the ...

Scientists have captured footage of the sea creatures using four distinct color-shifting techniques to trick their prey ...

Published Feb. 3 | Read More | Colorful creature found ‘basking’ in sun on uninhabited island. It’s a new species A scientist found a “smooth” creature with colorful orange sides ...

Some of the creatures that call the depths of the ... according to the study. The sea cucumber’s color is “unique,” researchers said, and its smaller number of tentacles (15 compared to ...