China's manned submersible Striver returns from rewarding deep-sea research journey (3)

China's deep-sea manned submersible Fendouzhe (Striver) finds a whale fall, a rare deep-sea ecosystem, and an enormous number of commensals at 5,600 meters below the surface of the Indian Ocean in the Diamantina Trench on Feb. 9, 2023. (Photo courtesy of Institute of Deep-sea Science and Engineering of the Chinese Academy of Sciences)