This Commerson’s frogfish has its lure folded back along its head so that it cannot be seen.
Frogfish
Image courtesy of the NOAA Office of Ocean Exploration and Research, Deep-Sea Symphony: Exploring the Musicians Seamounts. Download larger version (jpg, 3.9 MB).

This Commerson’s frogfish has its lure folded back along its head so that it cannot be seen.

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