Photo: © Hans Hillewaert, via Wikimedia Commons. Distributed under a CC BY-SA 4.0 license.

Male cuttlefish compete over females with a dazzling color change show. Scientists have tested and characterized the mating behavior of the common European cuttlefish, Sepia officinalis, in the lab, but no one had seen these behaviors in the wild before. That is, until a team of researchers happened to be in the right place at the right time. They captured the first footage of a fierce mating battle between wild European cuttlefish – and it is intense.

Watch the video and read the story behind it on National Geographic’s Weird & Wild news blog: Cuttlefish Fight Viciously in First Video Shot in Wild.