Although it can take hours for the cuttlefish to change its density through its cuttlebone alone, the animal can control its positioning in the water with the aid of its specialized fins and mantle.

Oriol had been observing the cuttlefish for more than an hour and was fascinated by its ability to change colour and shape at will. On one occasion it even disguised its arms as swaying leaves of ...

Sexually mature eels had never been seen by humans in the wild until 2022, despite thousands of years of attempts (Ancient ...

Chameleons can change colour to blend in with surroundings, avoid predators, ambush prey, and communicate during territory ...