For the first time ever, a team of international researchers were given the rare opportunity to observe and film a dumbo octopus—measuring just a few centimeters—hatching from its egg during an expedition to explore a chain of underwater mountains off the U.S. East Coast in 2005. Their findings were published Feb. 19, 2018, in the journal Current Biology.
http://www.whoi.edu/news-release/rare-find-from-the-deep-sea
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