Biologists discover deep-sea fish living where there is virtually no oxygen

Date: January 18, 2019

Source: Phys.Org

Oxygen—it’s a basic necessity for animal life. But marine biologists recently discovered large schools of fishes living in the dark depths of the Gulf of California where there is virtually no oxygen. Using an underwater robot, the scientists observed these fishes thriving in low-oxygen conditions that would be deadly to most other fish. This discovery could help scientists understand how other marine animals might cope with ongoing changes in the chemistry of the ocean.

The researchers described their discovery in a recent article in the journal Ecology. The lead author of the article, Natalya Gallo, is a graduate student at the Scripps Institution of Oceanography. She worked closely with other Scripps researchers on the paper, as well as with MBARI biologist Jim Barry, who led the research cruise.

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