Two week old Octopus incella hatchling in a petri fish about 4cm in diameter. See those small brown spots? Those are chromatophores. They are full of pigmented cells that allow it to change color for communication and camouflage. The two shiny black spots are their eyes.

Tentacles and Beaks of Cephalopods | December, 2015

Investigating the anatomical differences of cephalopod beaks and tentacles with regards to their diet.

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Electrified blown glass squid.