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Chilean Deep-Sea Ecosystems Discovered

Humboldt squid

NOAA_MBARI 2006/Public Domain

An international team of scientists aboard a Schmidt Ocean Institute research vessel embarked on a 55-day expedition to explore cracks in the ocean floor along the Chilean coast. The cracks release methane gas bubbles into the ocean, feeding microbes that support a diverse array of life forms.

The team used remotely operated, unmanned underwater vehicles to dive up to 9,800 feet below sea level, allowing them to map the methane seeps, as well as four previously unexplored underwater canyons. The deep-sea ecosystems they discovered differed from site to site. At least 60 new species were identified.

Notable observations included red cusk-eels, a highly valued fish in Chile; large Humboldt squid; a bioluminescent anglerfish; and chemosynthetic clam beds that are able to survive without sunlight.

In-Print National Content Global Brief Global and Health Briefs July 2025

 

 

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