As part of a guided tour, visitors enjoyed a traditional Hakka-style meal at Chung Kee Store, a beloved eatery renowned for its braised pork with black bean sauce and handmade cuttlefish balls.

In one form, passing stripe, cuttlefish turn gray and pass rhythmic black stripes down their body, which the researchers suggest may be a nonthreatening movement to mask their looming presence.

While sneaking up on prey, cuttlefish employ a dynamic skin display to avoid detection in last moments of approach, researchers have found.

In one of these instances, cuttlefish turned gray and passed rhythmic black stripes down their body. Like the leaf floating in the water column, the cuttlefish turned a shade of pale green and ...

And finally, in the pulse technique, the cuttlefish pointed their arms upward and pulsed a black stripe toward the tips of the arms. The reason for this move is still unclear to the scientists ...