Towards the end of dive 4, ROV Deep Discoverer came upon a unique geological feature that our team dubbed the Octopus Grottoes. Densely packed stony corals surrounded these cave-like structures and almost every one had its own octopus!

Towards the end of Dive 4, ROV Deep Discoverer came upon a unique geological feature that our team dubbed the "Octopus Grottoes." Densely packed stony corals surrounded these cave-like structures and almost every one had its own octopus! Image courtesy of NOAA Okeanos Explorer Program, Our Deepwater Backyard: Exploring Atlantic Canyons and Seamounts 2014.

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Our Deepwater Backyard: Exploring Atlantic Canyons and Seamounts 2014

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