A plume of ink can help hide a cuttlefish as it scuttles away from a predator. But that smoke screen’s stench may also warn sharks to stay away. Nicknamed “swimming noses,” some sharks can sniff their ...

There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, cuttlefish range in ...

Their camouflage seems almost magical, but scientists have observed some tricks the cephalopods use to blend in with their surroundings. By Veronique Greenwood Put a cuttlefish on the spot — or, to be ...