The Cuttlefish Uses Art to Hunt

The cuttlefish is mostly soft-bodied; the crab is all armor. As the cuttlefish approaches, the medieval-looking crab snaps into a macho posture, waving its sharp claws at its foe’s vulnerable body. The cuttlefish responds with a bizarre and ingenious psychedelic performance. Weird images, luxuriant colors, and successive waves of what look like undulating lightning bolts and filigree swim across its skin. The sight is so unbelievable that even the crab seems disoriented; its menacing gestu...