"We simply don't know what we will unleash by going down hundreds, thousands of metres to the bottom of the ocean," says World Wildlife Fund's Marco Lambertini.
A colourless cavefish and an iridescent snake are among the species discovered in the area that is home to some of the world's most endangered species.
It estimates that up to 700 falcons were illegally smuggled out of Pakistan last year alone, often by organised criminal networks.
Hong Kong, is one of the world's top global transit hubs for endangered species and their products, like ivory, shark fin, pangolin and rosewood.
According to World Wildlife Fund, industrial development threatens almost half of world's natural heritage sites
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