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Credit: NOAA Okeanos Explorer Program, 2013 Northeast U.S. Canyons Expedition.
A baby octopus just hatched from its egg and a "grinning" ctenophore are some of the adorable sea creatures discovered in submarine canyons offshore of the U.S. Atlantic Coast. Researchers aboard the Okeanos Explorer, a ship operated by the National Oceanic and Atmospheric Administration, spent July 2013 exploring canyons offshore of Nantucket, Mass., with a remotely-operated vehicle. They captured rare photos of the little-seen depths, including some of the cutest marine life found in the deep sea.