Check out the awesome moment this cuttlefish swam right up to a swimmer to say hello! Tim Ryan, 56, was out swimming when he noticed a cuttlefish swimming around him, which then decided to swim up ...

They found that the cuttlefish were all able to wait for the better reward and tolerated delays for up to 50 to 130 seconds, comparable to large-brained vertebrates such as chimpanzees ...

Cuttlefish have a short life span, but they grow quickly. They may only live one or two years, but some species can grow up to about 23 lbs (10.5 kg). Since they have such fast growth rates ...

In an effort to answer this question, scientists have turned to high-resolution videos that can show what individual skin cells are up to as a cuttlefish changes color. In a paper published in the ...

The four cuttlefish gestures: “up,” “side,” “roll” and “crown.” The “up” sign involves a cuttlefish extending one pair of arms upward as if swim dancing to the Bee Gees song ...

"They have blue blood, three hearts, eight arms, a bird beak, and they live very short lives — up to two years in the wild." Schnell said the team did memory tests on two dozen cuttlefish.

On the other end of the scale, the giant Australian cuttlefish weighs up to 22 pounds and measures about 1.5 feet long. Both cuttlefish and squid are a bit wild-eyed—but in different ways.

They found four waving patterns that appeared to be consistent—up, side, roll, and crown. Credit: Biorxiv (2025). DOI: 10.1101/2025.04.13.648584 They also found that the cuttlefish responded by ...