More information: Catalina Sanchez-Posada et al, Romaleodelphis pollerspoecki , gen. et sp. nov., an archaic dolphin from the Central Paratethys (Early Miocene, Austria), Journal of Vertebrate ...

Sound is Their Language Dolphins rely heavily on sound to communicate because it travels much more effectively underwater ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise.

Unlike REMUS, a dolphin can differentiate between natural and man-made objects using echolocation, a sensory system that involves transmitting sound waves at objects and reading the "echoes" that ...

Spinner dolphins have up to 240 teeth, while Risso's dolphins have only 14. Dolphins send out high-pitched sounds and listen for their echoes to build an image of their surroundings. This ...