Movie S1.

A group of Dosidicus gigas changing pigmentation patterning while feeding on lanternfish (Myctophidae) at depth (related to Figure 1, 2). This footage was captured on December 1, 2009 by the Monterey Bay Aquarium Research Institute (MBARI) ROV Ventana at 480 m depth in Monterey Canyon, CA (36.70319, –122.04322). Footage © MBARI.