Cephalopods comprise one of the most morphologically and ecologically diverse classes of mollusks, tracing their origins to the Late Cambrian. Extant lineages fall into two principal groups: ...

From color-changing skin to jet-propelled motion, squid and cuttlefish have long fascinated scientists. To understand the origins of their unique characteristics, many attempts have been made to ...

The intricate ram’s horn squid shell is only about the size of a fingernail. Compared to other cephalopod species, the shell structure has not degraded over time. As part of this study, researchers ...