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Filmmaker Cameron Expedition Finds Weird Deep-Sea Life

Researchers estimate that more than 14,000 tubeworms live in this 'bush' discovered at an extremely rare hybrid hydrothermal vent — methane seep site in the deep sea. Such structures are vulnerable to disturbance from fishing, mining and energy

Filmmaker Cameron expedition finds unusual sea life

The discovery of microbial mats — bizarre-looking, filamentlike clumps

of microorganisms — living off chemicals from altered rocks 35,803 feet

(10,912 meters) beneath the surface of the Pacific Ocean comes from

samples and video collected by an unmanned lander, part of movie

director James Cameron's mission to the bottom of the Mariana Trench.