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.

Graphic footage shows a dolphin carcass decomposing on the sand. The dorsal fin in the shallows behind is what closed the beach.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Today, we circumnavigated the island in a ...

Swimming with wildlife can be a life-changing experience—spiritual even, some people say. Tiny seahorses delight travelers with their strange prehensile tails and bright camouflage, while whale sharks ...

Dolphin 63/250, Sea Bed 67/200, Tiger Fish 23/250, Ocean Hunter 47/250, Shark 123/150 and Barrier Reef 74/250 ...