Scientists unravel secrets of ultra-black fish swimming the deepest depths

Scientists unravel secrets of ultra-black fish swimming the deepest depths:

“In the deep, open ocean, there is nowhere to hide and a lot of hungry predators,” said zoologist Karen Osborn of the Smithsonian Institution’s National Museum of Natural History in Washington, a co-author of the research published in the journal Current Biology. At such depths, bioluminescence - light emission by living organisms - is the only light source.

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