The new species was discovered as part of surveys of seamounts, or large, underwater mountains that serve as “diversity hotspots,” researchers said, and are largely understudied in the South China Sea ...

The appendage is only one-third of the animal’s body size, compared to the large appendage of P. diutiuscauda, researchers said. The sea cucumber is 11.8 inches long when in the water but gets ...

or large, underwater mountains that serve as “diversity hotspots,” researchers said, and are largely understudied in the South China Sea. Three other new sea cucumber species were identified ...