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The Jiaolong will carry out another two dives in the area, as well as conduct research on the Jiaolong Seamount, which was named after the sub after scientists aboard the vessel discovered it.Zhou said he hopes more rock samples will be collected from the seamount during the two dives.Although its exterior will stay as designed, there will be considerable changes to “what’s inside” the submarine, Baranov said, adding that the target regions for selling submarine would remain the Middle East and Southeast Asia.He cited several reasons for the upgrading the sub, including to market it to the Russian and Italian navies.

"Lionfish are a serious threat to the ecosystems of the Atlantic, Gulf of Mexico and Caribbean waters, and we're pleased to provide our manned submersible for this research initiative and for the collaboration between organizations such as Nova Southeastern University (NSU) and the Florida Fish and Wildlife Conservation Commission, all of which share an interest in raising awareness and exploring methodologies for lionfish population controls." Ocean Gate first raised national awareness of the lionfish threat in 2012, during the discovery of a downed World War II Hellcat fighter aircraft.

The goal of the three days of diving and panel discussions is to foster long-term collaboration among scientists to halt the unprecedented expansion of this invasive species.

Native to the South Pacific and Indian Oceans, lionfish have been increasingly affecting fisheries and tourism since they were introduced to the Atlantic Basin sometime in the early 1990s.

We sailed northwest, climbed a forty-meter-high slope and found a large deposit of iron-manganese," said Tang Jialing, pilot of the submersible and a researcher from the National Deep Sea Center. "Since one of the samples was broken by the sub's robotic arm, a round core inside could be identified as volcanic lava.

The materials covering the core are iron and manganese oxides, which need tens of thousands of years to form," said Zhou Huaiyang, a professor at Tongji University.

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