According to official figures only 1,811 cuttlefish turned up to mate this year, down 97% on last year.

It's that time of the year again – when nature photo competition winners are announced and we get to look at some amazing ...

An official government count reveals a devastating population crash.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The animal kingdom is home to all manner of weird and wonderful defense ...

Cuttlefish, with their blimp-shaped bodies and eight squiggly arms, don’t age like people do. Sexual maturity tends to come late for them—about three-quarters of the way through their two-year lives, ...

When cuttlefish know that shrimp—their favourite food—will be available in the evening, they eat fewer crabs during the day. This capacity to make decisions based on future expectations reveals ...

The flamboyant cuttlefish (Metasepia tullbergi) earned its moniker for a reason. Like many cephalopods, this cuttlefish can change its appearance with remarkable flexibility and speed. Sometimes it ...

Can you remember what you had for dinner last weekend? That ability is a function of episodic memory, and how well we can recall the time and place of specific events typically declines with age.

Cuttlefish can remember what, where, and when specific events happened—right up to their last few days of life, researchers have found. The results, published this week in the journal Proceedings of ...

You might have seen videos of octopuses opening jars or heard rumors of their intelligence. It turns out they aren’t the only tentacled mollusks with an impressive skill set. Scientists have found ...

Cuttlefish have the ability to watch 3D movies and react to them much like they would if they saw the real thing out in the ocean. And when it comes to depth perception, they’re incredibly proficient.