Mating season for the Australian giant cuttlefish is not a simple affair. This annual winter event, called "Cuttlefest," involves heartbreak, love triangles, and incredible physical transformations as the males try to impress the females. Travel journalist Stephanie Vermillion witnessed these cephalopod dramatics up close while diving, but glass-bottomed boats are also available for visitors who want to stay warm and dry while catching the invertebrate lovefest. Learn more about cuttlefish: http

Cuttlefish are so intelligent they can remember what, where, and when they last ate, but did you know they're also masters of disguise? Discover more in #SuperNaturalSeries, streaming on Disney . | National Geographic TV