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Contact: Caroline Perry
Harvard University


Caption: Left: Cuttlefish chromatophores change from a punctuate to expanded state in response to visual cues. The scale bar measures one millimeter. Right: This illustrated cross-section of the skin shows the layering of three types of chromatophores. Iridophores and leucophores would be positioned beneath the chromatophores.

Credit: Images courtesy of Lydia Mathger, Marine Biological Laboratory.

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