Every species of animal in the world has a unique mating ritual. These courtship displays highlight each species’ unique ...

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 ...

They may look soft and squishy, but cuttlefish are fierce fighters, new video reveals. Scientists have captured the first footage of a violent mating battle between European cuttlefish in the Aegean ...

Don’t let the name fool you. Flamboyant cuttlefish (Metasepia pfefferi) look anything but flashy most of the time. Images and videos of the marine mollusks flashing bright purple and yellow hues ...

For the giant Australian cuttlefish, mating is a complicated undertaking complete with fighting, sneaking, and deception. In this week’s issue of the journal Nature, Marine Biological Laboratory (MBL) ...

WOODS HOLE, Mass. -- It sounds like Shakespearean drama: A male fights to protect his mate after a rival steals her away, using all his cunning and strength to win her back. Yet this encounter played ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Marine biologists Justine Allen and Derya Akkaynak got the treat of their life while scuba diving and filming a female ...

Although researchers have studied cuttlefish competition and mating behavior in the lab, observing the complex interactions of male-male fighting and mate guarding in the wild has been elusive. "This ...

Cuttlefish sex looks like it was inspired by the Kama Sutra. During mating, which takes place head-to-head, a male embraces a female then squirts sperm in her mouth with a specialised arm. Filmed by ...