Every winter, off the coast of South Australia, thousands of giant cuttlefish gather for the showdown of a lifetime. In an effort to win a mate, these shape-shifting sea creatures display some of the ...

The cuttlefish is often called the chameleon of the sea, but where the land-based version can only change its color, the sepia-squirting, tentacled one can change its skin texture as well as its tint ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." Cuttlefish are ...

Nobody envies the sex life of a male Australian giant cuttlefish, also known as Sepia apama. The largest cuttlefish on Earth, these cephalopods typically mate only once in their lives and outnumber ...