Squid Skin Dances When You Blast Cypress Hill At It

The music causes a current to flow in wires hooked up to a squid, exciting its tissue. The video here shows an 8x microscope zoomed on the the dorsal side of the caudal fin of the Longfin Inshore Squid, which produces three colors in its process: brown, red, and yellow.

Deep-sea squid removes its own arms to distract baffled predators

A species of deep sea squid can jettison its own bioluminescent arms to distract predators and attackers. Later, when the squid has safely escaped, it re-grows its lost limbs.