How cuttlefish vanish in seconds

Transcript

First, its brain sends direct commands to millions of tiny chromatophore cells, each ringed by muscles that expand or hide pigment like living pixels. Beneath that, iridophores and leucophores shape reflected light, so the animal can shimmer, brighten, or match its background with striking precision. At the same time, muscular papillae rise and flatten, giving the skin a rough 3D texture that can mimic rock, sand, or coral in seconds.