Which deep-sea submersible was used by the expedition that discovered Kiwa hirsuta?
Answer
DSV Alvin
The monumental discovery of *Kiwa hirsuta* was conducted using the deep-sea submersible designated DSV Alvin. This vessel is renowned for deep-ocean exploration and research, and in this specific expedition, it was operated by scientists representing institutions like the Monterey Bay Aquarium Research Institute (MBARI) and the French research body IFREMER. The use of DSV Alvin enabled researchers to investigate the mid-ocean ridges in the South Pacific, leading directly to the sighting of the hairy anomaly along the Pacific-Antarctic Ridge in 2005.

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