Beneath the surface, a fascinating world of communication unfolds, where the seemingly simple swim bladder plays a pivotal role. Think of a swim bladder like a tiny balloon in bony fish (Osteichthyes) ...

Underwater footage of an "incredible" moment shows a marine biologist seemingly communicating with an octopus as she hunts for crabs. The images, which were shot in the waters of the Great Barrier ...

A newly developed acoustic camera has captured the most extensive collection of wild fish sounds ever recorded, revealing the surprising diversity of communication on coral reefs. The device, known as ...