He's So Cute
Video courtesy of NOAA Ocean Exploration, Windows to the Deep 2021.
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This decorator crab was observed using its modified back legs to carry a glass sponge on its back at a depth of 762 meters (2,500 feet) during Dive 12 of Windows to the Deep 2021. It is thought that decorator crabs use materials from their environments, such as sponges, as camouflage, to avoid detection.