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. 2017 Jun 19;8:393. doi: 10.3389/fphys.2017.00393

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Copyright © 2017 How, Norman, Finn, Chung and Marshall.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flashing patterns in two squid species. (a) Temporal characteristics of D. gigas flashing display. Graph shows, for a single example sequence, pixel intensity for a point on the body on the y-axis (scale not shown) and time along the x-axis. Inset diagram shows in gray the region of the body over which the signal occurs (in this case the whole animal). (b) Photophore flashing in Taningia danae. Two large bioluminescent organs are located at the distal tips of the dorsolateral arms (gray shaded areas), each of which can be flashed on and off by moving a pigmented cover (redrawn from Richard Ellis).