Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge. The dolphin isn’t playing; it’s using the sponge as a diving mask: a clear ...

Add Yahoo as a preferred source to see more of our stories on Google. How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except ...

Some Indo-Pacific bottlenose dolphins in Shark Bay, Western Australia use sea sponges as tools to protect their snouts while hunting hidden prey, a behavior known as “sponging.” Sponging occurs only ...